102 lines
1.8 KiB
C
102 lines
1.8 KiB
C
#include <stdio.h>
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int add_numbers(int a, int b) {
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return a + b;
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}
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typedef struct point {
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float x;
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float y;
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} Point;
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Point add_points(Point a, Point b) {
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Point res = {};
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res.x = a.x + b.x;
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res.y = a.y + b.y;
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return res;
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}
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typedef char *CString;
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typedef CString (*StringFactory)(void);
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CString upcall_test(StringFactory fun) {
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return fun();
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}
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int upcall_test2(int (*f)(void)) {
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return f();
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}
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int counter = 0;
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static char* responses[] = { "Hello, world!", "Goodbye friend.", "co'oi prenu" };
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char* upcall_test_int_fn_string_ret(int (*f)(void)) {
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return responses[f()];
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}
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CString get_string1(void) {
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return responses[counter++ % 3];
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}
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CString get_string2(void) {
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return "Alternate string";
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}
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StringFactory get_downcall(int whichString) {
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switch (whichString % 2) {
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case 0:
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return get_string1;
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case 1:
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return get_string2;
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default:
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return 0;
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}
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}
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typedef struct alignment_test {
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char a;
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double x;
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float y;
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} AlignmentTest;
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AlignmentTest get_struct() {
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AlignmentTest ret = {};
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ret.a = 'x';
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ret.x = 3.14;
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ret.y = 42.0;
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return ret;
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}
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void test_call_with_trailing_string_arg(int a, int b, char* text) {
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printf("call of `test_call_with_trailing_string_arg` with a=%i b=%i text='%s'",1,2,text);
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printf("\r ");
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return;
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}
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typedef struct complextype {
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Point x;
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char y;
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int z[4];
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char *w;
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} ComplexType;
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ComplexType complexTypeTest(ComplexType a) {
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ComplexType ret = {};
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ret.x = a.x;
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ret.x.x++;
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ret.x.y++;
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ret.y = a.y-1;
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ret.z[0] = a.z[0];
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ret.z[1] = a.z[1];
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ret.z[2] = a.z[2];
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ret.z[3] = a.z[3];
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ret.w = "hello from c";
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return ret;
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}
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