A set of simple programs that perform mathematical operations on their arguments
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
shellmath/sum.c

17 lines
303 B

#include <stdio.h>
int main(int argc, char **argv) {
int buf;
int acc;
int err;
for(int i=1;i<argc;i++) {
err=sscanf(argv[i], "%i", &buf);
if(err!=1) {
fprintf(stderr, "sscanf error: not an integer.\n");
return 1;
}
acc+=buf;
}
printf("%d\n",acc);
return 0;
}