which.c File Reference

#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

Include dependency graph for which.c:

Functions
char *	which (const char *cmd)
	Like which(1), or command -v foo More...
int	whichp (const char *cmd)
	Predicate variant of which() More...

Detailed Description

Author

Joachim Wiberg

Date

2017-2021

Copyright

ISC License

Function Documentation

which()

char* which

(

const char *

cmd

)

Like which(1), or command -v foo

Parameters

cmd	Command to look for in $PATH

Returns

A malloc()'ed path to cmd on success, or NULL.

whichp()

int whichp

(

const char *

cmd

)

Predicate variant of which()

Parameters

cmd	Command to look for in $PATH

Returns

TRUE(1) or FALSE(0) if cmd exists in $PATH.