jerry.c

用五个实例来解释linux下的c编程

/* jerry.c v4.0 */

#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>

static void pid2str(char * str, pid_t pid)
{
  sprintf(str, "%d", pid);
}



int main(int argc, char* argv[])
{
  pid_t pid;
  char spid[256];
  
  pid = getpid();
  pid2str(spid, pid);
  
  printf("from TOM %s to Jerry %s: %s\n", argv[1], spid , argv[2]);
  exit(EXIT_SUCCESS);
}