/usr/include/singular/singular/Singular/links/ssiLink.h is in libsingular4-dev-common 1:4.1.0-p3+ds-2build1.
This file is owned by root:root, with mode 0o644.
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* Computer Algebra System SINGULAR *
****************************************/
/***************************************************************
* File: ssiLink.h
* Purpose: declaration of sl_link routines for ssi
***************************************************************/
#ifndef SSILINK_H
#define SSILINK_H
#include <Singular/links/silink.h>
typedef struct
{
s_buff f_read;
FILE *f_write;
ring r;
pid_t pid; /* only valid for fork/tcp mode*/
int fd_read,fd_write; /* only valid for fork/tcp mode*/
char level;
char send_quit_at_exit;
char quit_sent;
} ssiInfo;
BOOLEAN ssiOpen(si_link l, short flag, leftv u);
BOOLEAN ssiWrite(si_link l, leftv v);
leftv ssiRead1(si_link l);
leftv ssiRead2(si_link l, leftv key);
BOOLEAN ssiClose(si_link l);
const char* slStatusSsi(si_link l, const char* request);
si_link_extension slInitSsiExtension(si_link_extension s);
si_link ssiCommandLink();
void sig_chld_hdl(int sig);
#endif
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