6 /* Compute the greatest common divisor of positive integers */
7 int gcd(int x, int y) {
18 int gcdmain(int argc, char *argv[]) {
21 printf("usage: gcd x y\n");
26 printf("gcd(%d,%d) = %d\n", x,y,gcd(x,y));
30 int count(char *bytes, int len, char c) {
33 for (i = 0; i < len; i++) {
34 if (bytes[i] == c) count++;
39 void capitalize(char *str, int len) {
41 for (i = 0; i < len; i++) {
42 str[i] = (char)toupper(str[i]);
46 void circle(double x, double y) {
49 printf("Bad points %g, %g\n", x,y);
51 printf("Good points %g, %g\n", x,y);