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<h1 class="unnumbered">Function and Macro Index: C</h1>
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<tr><th><a name="index_split-8_fn_letter-C">C</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-cabs"><code>cabs</code></a></td><td valign="top"><a href="libc_20.html#Absolute-Value">20.8.1 Absolute Value</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-cabsf"><code>cabsf</code></a></td><td valign="top"><a href="libc_20.html#Absolute-Value">20.8.1 Absolute Value</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-cabsl"><code>cabsl</code></a></td><td valign="top"><a href="libc_20.html#Absolute-Value">20.8.1 Absolute Value</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cacos"><code>cacos</code></a></td><td valign="top"><a href="libc_19.html#Inverse-Trig-Functions">19.3 Inverse Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cacosf"><code>cacosf</code></a></td><td valign="top"><a href="libc_19.html#Inverse-Trig-Functions">19.3 Inverse Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cacosh"><code>cacosh</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cacoshf"><code>cacoshf</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cacoshl"><code>cacoshl</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cacosl"><code>cacosl</code></a></td><td valign="top"><a href="libc_19.html#Inverse-Trig-Functions">19.3 Inverse Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_3.html#index-calloc"><code>calloc</code></a></td><td valign="top"><a href="libc_3.html#Allocating-Cleared-Space">3.2.2.5 Allocating Cleared Space</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_14.html#index-canonicalize_005ffile_005fname"><code>canonicalize_file_name</code></a></td><td valign="top"><a href="libc_14.html#Symbolic-Links">14.5 Symbolic Links</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-carg"><code>carg</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-cargf"><code>cargf</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-cargl"><code>cargl</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-casin"><code>casin</code></a></td><td valign="top"><a href="libc_19.html#Inverse-Trig-Functions">19.3 Inverse Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-casinf"><code>casinf</code></a></td><td valign="top"><a href="libc_19.html#Inverse-Trig-Functions">19.3 Inverse Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-casinh"><code>casinh</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-casinhf"><code>casinhf</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-casinhl"><code>casinhl</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-casinl"><code>casinl</code></a></td><td valign="top"><a href="libc_19.html#Inverse-Trig-Functions">19.3 Inverse Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-catan"><code>catan</code></a></td><td valign="top"><a href="libc_19.html#Inverse-Trig-Functions">19.3 Inverse Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-catanf"><code>catanf</code></a></td><td valign="top"><a href="libc_19.html#Inverse-Trig-Functions">19.3 Inverse Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-catanh"><code>catanh</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-catanhf"><code>catanhf</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-catanhl"><code>catanhl</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-catanl"><code>catanl</code></a></td><td valign="top"><a href="libc_19.html#Inverse-Trig-Functions">19.3 Inverse Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_8.html#index-catclose"><code>catclose</code></a></td><td valign="top"><a href="libc_8.html#The-catgets-Functions">8.1.1 The <code>catgets</code> function family</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_8.html#index-catgets"><code>catgets</code></a></td><td valign="top"><a href="libc_8.html#The-catgets-Functions">8.1.1 The <code>catgets</code> function family</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_8.html#index-catopen"><code>catopen</code></a></td><td valign="top"><a href="libc_8.html#The-catgets-Functions">8.1.1 The <code>catgets</code> function family</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_32.html#index-cbc_005fcrypt"><code>cbc_crypt</code></a></td><td valign="top"><a href="libc_32.html#DES-Encryption">32.4 DES Encryption</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cbrt"><code>cbrt</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cbrtf"><code>cbrtf</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cbrtl"><code>cbrtl</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-ccos"><code>ccos</code></a></td><td valign="top"><a href="libc_19.html#Trig-Functions">19.2 Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-ccosf"><code>ccosf</code></a></td><td valign="top"><a href="libc_19.html#Trig-Functions">19.2 Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-ccosh"><code>ccosh</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-ccoshf"><code>ccoshf</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-ccoshl"><code>ccoshl</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-ccosl"><code>ccosl</code></a></td><td valign="top"><a href="libc_19.html#Trig-Functions">19.2 Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-ceil"><code>ceil</code></a></td><td valign="top"><a href="libc_20.html#Rounding-Functions">20.8.3 Rounding Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-ceilf"><code>ceilf</code></a></td><td valign="top"><a href="libc_20.html#Rounding-Functions">20.8.3 Rounding Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-ceill"><code>ceill</code></a></td><td valign="top"><a href="libc_20.html#Rounding-Functions">20.8.3 Rounding Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cexp"><code>cexp</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cexpf"><code>cexpf</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cexpl"><code>cexpl</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_17.html#index-cfgetispeed"><code>cfgetispeed</code></a></td><td valign="top"><a href="libc_17.html#Line-Speed">17.4.8 Line Speed</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_17.html#index-cfgetospeed"><code>cfgetospeed</code></a></td><td valign="top"><a href="libc_17.html#Line-Speed">17.4.8 Line Speed</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_17.html#index-cfmakeraw"><code>cfmakeraw</code></a></td><td valign="top"><a href="libc_17.html#Noncanonical-Input">17.4.10 Noncanonical Input</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_3.html#index-cfree"><code>cfree</code></a></td><td valign="top"><a href="libc_3.html#Freeing-after-Malloc">3.2.2.3 Freeing Memory Allocated with <code>malloc</code></a></td></tr>
<tr><td></td><td valign="top"><a href="libc_17.html#index-cfsetispeed"><code>cfsetispeed</code></a></td><td valign="top"><a href="libc_17.html#Line-Speed">17.4.8 Line Speed</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_17.html#index-cfsetospeed"><code>cfsetospeed</code></a></td><td valign="top"><a href="libc_17.html#Line-Speed">17.4.8 Line Speed</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_17.html#index-cfsetspeed"><code>cfsetspeed</code></a></td><td valign="top"><a href="libc_17.html#Line-Speed">17.4.8 Line Speed</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_14.html#index-chdir"><code>chdir</code></a></td><td valign="top"><a href="libc_14.html#Working-Directory">14.1 Working Directory</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_14.html#index-chmod"><code>chmod</code></a></td><td valign="top"><a href="libc_14.html#Setting-Permissions">14.9.7 Assigning File Permissions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_14.html#index-chmod-1"><code>chmod</code></a></td><td valign="top"><a href="libc_14.html#Setting-Permissions">14.9.7 Assigning File Permissions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_14.html#index-chown-1"><code>chown</code></a></td><td valign="top"><a href="libc_14.html#File-Owner">14.9.4 File Owner</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-cimag"><code>cimag</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-cimagf"><code>cimagf</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-cimagl"><code>cimagl</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_25.html#index-clearenv"><code>clearenv</code></a></td><td valign="top"><a href="libc_25.html#Environment-Access">25.4.1 Environment Access</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_12.html#index-clearerr"><code>clearerr</code></a></td><td valign="top"><a href="libc_12.html#Error-Recovery">12.16 Recovering from errors</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_12.html#index-clearerr_005funlocked"><code>clearerr_unlocked</code></a></td><td valign="top"><a href="libc_12.html#Error-Recovery">12.16 Recovering from errors</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_21.html#index-clock"><code>clock</code></a></td><td valign="top"><a href="libc_21.html#CPU-Time">21.3.1 CPU Time Inquiry</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-clog"><code>clog</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-clog10"><code>clog10</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-clog10f"><code>clog10f</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-clog10l"><code>clog10l</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-clogf"><code>clogf</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-clogl"><code>clogl</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_13.html#index-close"><code>close</code></a></td><td valign="top"><a href="libc_13.html#Opening-and-Closing-Files">13.1 Opening and Closing Files</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_14.html#index-closedir"><code>closedir</code></a></td><td valign="top"><a href="libc_14.html#Reading_002fClosing-Directory">14.2.3 Reading and Closing a Directory Stream</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_18.html#index-closelog"><code>closelog</code></a></td><td valign="top"><a href="libc_18.html#closelog">18.2.3 closelog</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_31.html#index-confstr"><code>confstr</code></a></td><td valign="top"><a href="libc_31.html#String-Parameters">31.12 String-Valued Parameters</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-conj"><code>conj</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-conjf"><code>conjf</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-conjl"><code>conjl</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_16.html#index-connect"><code>connect</code></a></td><td valign="top"><a href="libc_16.html#Connecting">16.9.1 Making a Connection</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-copysign"><code>copysign</code></a></td><td valign="top"><a href="libc_20.html#FP-Bit-Twiddling">20.8.5 Setting and modifying single bits of FP values</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-copysignf"><code>copysignf</code></a></td><td valign="top"><a href="libc_20.html#FP-Bit-Twiddling">20.8.5 Setting and modifying single bits of FP values</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-copysignl"><code>copysignl</code></a></td><td valign="top"><a href="libc_20.html#FP-Bit-Twiddling">20.8.5 Setting and modifying single bits of FP values</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cos"><code>cos</code></a></td><td valign="top"><a href="libc_19.html#Trig-Functions">19.2 Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cosf"><code>cosf</code></a></td><td valign="top"><a href="libc_19.html#Trig-Functions">19.2 Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cosh"><code>cosh</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-coshf"><code>coshf</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-coshl"><code>coshl</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cosl"><code>cosl</code></a></td><td valign="top"><a href="libc_19.html#Trig-Functions">19.2 Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cpow"><code>cpow</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cpowf"><code>cpowf</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-cpowl"><code>cpowl</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-cproj"><code>cproj</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-cprojf"><code>cprojf</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-cprojl"><code>cprojl</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_22.html#index-CPU_005fCLR"><code>CPU_CLR</code></a></td><td valign="top"><a href="libc_22.html#CPU-Affinity">22.3.5 Limiting execution to certain CPUs</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_22.html#index-CPU_005fISSET"><code>CPU_ISSET</code></a></td><td valign="top"><a href="libc_22.html#CPU-Affinity">22.3.5 Limiting execution to certain CPUs</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_22.html#index-CPU_005fSET"><code>CPU_SET</code></a></td><td valign="top"><a href="libc_22.html#CPU-Affinity">22.3.5 Limiting execution to certain CPUs</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_22.html#index-CPU_005fZERO"><code>CPU_ZERO</code></a></td><td valign="top"><a href="libc_22.html#CPU-Affinity">22.3.5 Limiting execution to certain CPUs</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-creal"><code>creal</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-crealf"><code>crealf</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_20.html#index-creall"><code>creall</code></a></td><td valign="top"><a href="libc_20.html#Operations-on-Complex">20.10 Projections, Conjugates, and Decomposing of Complex Numbers</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_13.html#index-creat"><code>creat</code></a></td><td valign="top"><a href="libc_13.html#Opening-and-Closing-Files">13.1 Opening and Closing Files</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_13.html#index-creat64"><code>creat64</code></a></td><td valign="top"><a href="libc_13.html#Opening-and-Closing-Files">13.1 Opening and Closing Files</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_32.html#index-crypt"><code>crypt</code></a></td><td valign="top"><a href="libc_32.html#crypt">32.3 Encrypting Passwords</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_32.html#index-crypt_005fr"><code>crypt_r</code></a></td><td valign="top"><a href="libc_32.html#crypt">32.3 Encrypting Passwords</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-csin"><code>csin</code></a></td><td valign="top"><a href="libc_19.html#Trig-Functions">19.2 Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-csinf"><code>csinf</code></a></td><td valign="top"><a href="libc_19.html#Trig-Functions">19.2 Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-csinh"><code>csinh</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-csinhf"><code>csinhf</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-csinhl"><code>csinhl</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-csinl"><code>csinl</code></a></td><td valign="top"><a href="libc_19.html#Trig-Functions">19.2 Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-csqrt"><code>csqrt</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-csqrtf"><code>csqrtf</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-csqrtl"><code>csqrtl</code></a></td><td valign="top"><a href="libc_19.html#Exponents-and-Logarithms">19.4 Exponentiation and Logarithms</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-ctan"><code>ctan</code></a></td><td valign="top"><a href="libc_19.html#Trig-Functions">19.2 Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-ctanf"><code>ctanf</code></a></td><td valign="top"><a href="libc_19.html#Trig-Functions">19.2 Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-ctanh"><code>ctanh</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-ctanhf"><code>ctanhf</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-ctanhl"><code>ctanhl</code></a></td><td valign="top"><a href="libc_19.html#Hyperbolic-Functions">19.5 Hyperbolic Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_19.html#index-ctanl"><code>ctanl</code></a></td><td valign="top"><a href="libc_19.html#Trig-Functions">19.2 Trigonometric Functions</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_27.html#index-ctermid"><code>ctermid</code></a></td><td valign="top"><a href="libc_27.html#Identifying-the-Terminal">27.7.1 Identifying the Controlling Terminal</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_21.html#index-ctime"><code>ctime</code></a></td><td valign="top"><a href="libc_21.html#Formatting-Calendar-Time">21.4.5 Formatting Calendar Time</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_21.html#index-ctime_005fr"><code>ctime_r</code></a></td><td valign="top"><a href="libc_21.html#Formatting-Calendar-Time">21.4.5 Formatting Calendar Time</a></td></tr>
<tr><td></td><td valign="top"><a href="libc_29.html#index-cuserid"><code>cuserid</code></a></td><td valign="top"><a href="libc_29.html#Who-Logged-In">29.11 Identifying Who Logged In</a></td></tr>
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