Thread: execlp() vs excelp < 0 error handling question

What the difference in doing something like

Code:

int main(void) 
{ 
  pid_t pid; 
  int count; 
  for(count=0; count<5; count++) { 
    pid=fork(); 
    if (pid==0) { 
      /* child process */ 
      execlp("kedit", "kedit", (char *) NULL); 
      perror("exec failure"); 
      exit(1); 
    } 
  } 
  return 0; 

}

as opposed to say something like

Code:

int main(void) 
{ 
  pid_t pid; 
  int count; 
  for(count=0; count<5; count++) { 
    pid=fork(); 
    if (pid==0) { 
      /* child process */ 
      if((execlp("kedit", "kedit", (char *) NULL)) < 0){
        perror("exec failure"); 
        exit(1); 
      }
    } 
  } 
  return 0; 

}

My man page says that if any of the exec()'s return they will return error, so it seems that both of your programs are functionally identical.