sysconf, pathconf, fpathconf

Header Files

#include <unistd.h>

Function Prototype

long sysconf(int name);
long pathconf(const char *pathname, int name);
long fpathconf(int *filedes, int name);

name specifies what configuration you want to get
return -1 if error occurs

Function

Use for getting run-time limit
sysconf gets system-wide limit
pathconf and fpathconf get limit for specific file