mirror of https://github.com/swig/swig
54 lines
928 B
C
54 lines
928 B
C
/* File : example.c */
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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/* Compute the greatest common divisor of positive integers */
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int gcd(int x, int y) {
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int g;
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g = y;
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while (x > 0) {
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g = x;
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x = y % x;
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y = g;
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}
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return g;
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}
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int gcdmain(int argc, char *argv[]) {
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int x,y;
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if (argc != 3) {
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printf("usage: gcd x y\n");
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return -1;
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}
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x = atoi(argv[1]);
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y = atoi(argv[2]);
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printf("gcd(%d,%d) = %d\n", x,y,gcd(x,y));
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return 0;
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}
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int count(char *bytes, int len, char c) {
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int i;
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int count = 0;
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for (i = 0; i < len; i++) {
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if (bytes[i] == c) count++;
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}
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return count;
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}
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void capitalize(char *str, int len) {
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int i;
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for (i = 0; i < len; i++) {
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str[i] = (char)toupper(str[i]);
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}
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}
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void circle(double x, double y) {
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double a = x*x + y*y;
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if (a > 1.0) {
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printf("Bad points %g, %g\n", x,y);
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} else {
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printf("Good points %g, %g\n", x,y);
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}
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}
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