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This commit is contained in:
dtb 2022-12-23 09:51:26 -05:00
parent 9af70d4c39
commit a256b92ce8

View File

@ -1,18 +1,15 @@
#include <stddef.h> /* NULL */
#include <stdio.h> /* fprintf(3), NULL */
#include <sysexits.h> /* EX_USAGE */
#include <unistd.h> /* execv(3), write(2) */
#include "libio.h" /* fdprint(3) */
#include <unistd.h> /* execv(3), */
static char *program_name = "simexec";
int main(int argc, char *argv[]){
if(argc < 2){
write(2, "Usage: ", 7);
if(argv[0] == NULL)
argv[0] = program_name;
fdprint(2, argv[0]);
write(2, " [pathname] [argv...]\n", 22);
fprintf(stderr, "Usage: %s [pathname] [argv...]\n",
argv[0] == NULL ? program_name : argv[0]
);
return EX_USAGE;
}