ptrace

int

ptrace(int request, pid_t pid, caddr_t addr, int data)

#include <sys/types.h>
#include <sys/ptrace.h>
#include <errno.h>


int _ptrace(int, pid_t, caddr_t, int);

int
ptrace(int request, pid_t pid, caddr_t addr, int data)
{

	/* ptrace(2) is documented to clear errno on success: */
	errno = 0;
	return (_ptrace(request, pid, addr, data));
}