<\/p>\n\n\n
$ls
first-example first-example.c new-sum.c sum.c
$gcc sum.c -o sum
$cat sum.c
#include <stdio.h>
#include <stdlib.h>
void printhelp(char progname[]);<\/p>\n
int main(int argc, char *argv[])
{
int i;
int sum = 0;<\/p>\n
\/* Simple sanity check *\/
if (argc == 1)
{
printhelp(argv[0]);
return 1;
}<\/p>\n
for (i=1; i<argc; i++)
{
sum = sum + atoi(argv[i]);
}
printf(“Total sum: %i\\n”, sum);
return 0;
}<\/p>\n
void printhelp(char progname[])
{
printf(“%s integer …\\n”, progname);
printf(“This program takes any number of ”
“integer values and sums them up\\n”);
}
$.\/sum 1 2 3
Total sum: 6
$<\/p>\n
<\/p>","protected":false},"excerpt":{"rendered":"
$lsfirst-example first-example.c new-sum.c sum.c$gcc sum.c -o sum$cat sum.c #include <stdio.h>#include <stdlib.h>void printhelp(char progname[]); int main(int argc, char *argv[]){int i;int sum = 0; \/* Simple sanity check *\/if (argc == 1){printhelp(argv[0]);return 1;} for (i=1; i<argc; i++){sum = sum + atoi(argv[i]);}printf(“Total sum: %i\\n”, sum);return 0;} void printhelp(char progname[]){printf(“%s integer …\\n”, progname);printf(“This program takes any number of ” … <\/p>\n