cis-lclient06:~/class/nov22>more exec7.c
#include <stdio.h>
int main(int argc, char *argv[]) {
    int i = 0;
    printf("argc = %d", argc);
    for (; argv[i] != NULL; i++)
       printf(", argv[%d] = %s", i, argv[i]);
    printf("\n");
}
cis-lclient06:~/class/nov22>gcc exec7.c
cis-lclient06:~/class/nov22>./a.out aaa bbbb ccccccccccccccc
argc = 4, argv[0] = ./a.out, argv[1] = aaa, argv[2] = bbbb, argv[3] = ccccccccccccccc
cis-lclient06:~/class/nov22>