kolibrios/contrib/kolibri-libc/source/stdlib/atoi.c
Magomed Kostoev (mkostoevr) 1f4d74f500 Relocate kolibri-libc from GitHub
git-svn-id: svn://kolibrios.org@8622 a494cfbc-eb01-0410-851d-a64ba20cac60
2021-03-02 17:58:11 +00:00

22 lines
335 B
C

#include <stdlib.h>
#include <ctype.h>
/*
** atoi(s) - convert s to integer.
*/
int atoi(const char *s)
{
int sign, n;
while(isspace(*s)) ++s;
sign = 1;
switch(*s) {
case '-': sign = -1;
case '+': ++s;
}
n = 0;
while(isdigit(*s)) n = 10 * n + *s++ - '0';
return (sign * n);
}