kernel/src/klibc/klibc.c
int katoi(char * string) {
    if (!string) return 0;

    int integer = 0;
    int sign = 1;

    if (*string == '-') {
        sign = -1;
        string++;
    } else if (*string == '+') {
        string++;
    }

    while (*string != '\0') {
        if (*string >= '0' && *string <= '9') {
            integer *= 10;
            integer += (*string - '0');
        } else {
            return 0;
        }
    }
    return sign * integer;
}
// Return string converted to int form, or 0 if not applicable
// Necessary comments provided in atof() (next function)
Return string converted to int form, or 0 if not applicable
Necessary comments provided in atof() (next function)
Return string converted to int form or 0 if not applicable Necessary comments provided in atof () ( next function )
int katoi(char * string) {
    if (!string) return 0;
    int integer = 0;
    int sign = 1;
    if (*string == '-') {
        sign = -1;
        string++;
    } else if (*string == '+') {
        string++;
    }
    while (*string != '\0') {
        if (*string >= '0' && *string <= '9') {
            integer *= 10;
            integer += (*string - '0');
        } else {
            return 0;
        }
    }
    return sign * integer;
}
int katoi ( char * string ) { if ( ! string ) return 0 ; int integer = 0 ; int sign = 1 ; if ( * string == ' ' ) { sign = -1 ; string ++ ; } else if ( * string == ' ' ) { string ++ ; } while ( * string != ' \0 ' ) { if ( * string >= ' ' && * string <= ' ' ) { integer *= 10 ; integer += ( * string - ' ' ) ; } else { return 0 ; } } return sign * integer ; }
Return string converted to int form, or 0 if not applicable
Necessary comments provided in atof() (next function)
Return string converted to int form or 0 if not applicable Necessary comments provided in atof () ( next function )