Man page - popen_execsp(3)

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Manual

popen_nosh

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE

NAME

popen_nosh, pclose_nosh, popen_execs, pclose_execs, - pipe stream to or from a process without using a shell

SYNOPSIS

#include <stdio.h>
#include <execs.h>

FILE *popen_nosh(const char * command , const char * type );
int pclose_nosh(FILE *
stream );

FILE *popen_execsp(const char * command , const char * type );
int pclose_execsp(FILE *
stream );

FILE *popen_execs(const char * path ,const char * command , const char * type );
int pclose_execs(FILE *
stream );

These functions are provided by libexecs. Link with -lexecs .

DESCRIPTION

popen_nosh , popen_execsp and pclose_nosh are almost drop in replacement for popen (3) and pclose (3) provided by the libc. popen_nosh and popen_execsp are synonyms: they parse the command string and run the command directly, without using a shell.
Command arguments in args are delimited by space characters (blank, tabs or new lines). Single or double quotes can be used to delimitate command arguments including spaces and a non quoted backslash ( \ ) is the escape character to protect the next char. The executable file is sought using the PATH environment variable as explained for execlp (3).
pclose_nosh
closes a stream opened by popen_nosh .
popen_execs
requires the path of the executable to be specified as its first parameter so it does not use the PATH environment variable. pclose_execs closes a stream opened by popen_execs .

RETURN VALUE

These functions have the same return values of popen (3) and pclose (3).