#include <stdio.h> #include <unistd.h> main() { char *args[4] = {"ls", "-l", "/usr/bin", NULL}; printf("before exec\n"); fflush(0); execvp("ls", args); printf("after exec\n"); }
sd = shmget(id, size, IPC_CREAT|mode_flags); ptr = shmat(sd, NULL, 0); strcpy(ptr, "Wednesday 20 April");
sd = shmget(id, 0, 0); ptr = shmat(sd, NULL, 0); printf("date is %s\n", ptr);
mkfifo(name, mode);