fork download

int doPipe(int fd[], int endpoint, char * command)
{
	int close;
 
	if (endpoint == READ) {
		close = WRITE;
	} else {
		close = READ;
	}
 
	switch(fork()) {
		case 0:
			test = close(fd[close]); assert (test==0);
			test = dup2(fd[endpoint], endpoint); assert (test==0);
			test = close(fd[endpoint]); assert (test==0);
			execl("/bin/bash", "/bin/bash", "-c", command, (char*)0);
			perror("Cannot execl %s", command);
			exit(1);
		case -1:
			perror("Cannot fork.");
			exit(1);
	}
}

prog.c: In function ‘doPipe’:
prog.c:5: error: ‘READ’ undeclared (first use in this function)
prog.c:5: error: (Each undeclared identifier is reported only once
prog.c:5: error: for each function it appears in.)
prog.c:6: error: ‘WRITE’ undeclared (first use in this function)
prog.c:11: warning: implicit declaration of function ‘fork’
prog.c:13: error: ‘test’ undeclared (first use in this function)
prog.c:13: error: called object ‘close’ is not a function
prog.c:13: warning: implicit declaration of function ‘assert’
prog.c:14: warning: implicit declaration of function ‘dup2’
prog.c:15: error: called object ‘close’ is not a function
prog.c:16: warning: implicit declaration of function ‘execl’
prog.c:16: warning: incompatible implicit declaration of built-in function ‘execl’
prog.c:17: warning: implicit declaration of function ‘perror’
prog.c:18: warning: implicit declaration of function ‘exit’
prog.c:18: warning: incompatible implicit declaration of built-in function ‘exit’

Standard output is empty