MY_varlist ゝ一世哀愁。 2022-03-27 21:10 130阅读 0赞 #include <stdio.h> #define va_list void* #define va_end(arg) #define va_arg(arg, type) *(type*)arg; arg = (char*)arg + sizeof(type); #define va_start(arg, start) arg = (va_list)(((char*)&(start)) + sizeof(start)) int accumlate(int nr, ...) { int i = 0; int result = 0; va_list arg = NULL; va_start(arg, nr); for (i = 0; i < nr; i++) { result += va_arg(arg, int); } va_end(arg); return result; } int main(int argc, char* argv[]) { printf("%d\n", accumlate(1, 100)); printf("%d\n", accumlate(2, 100, 200)); printf("%d\n", accumlate(3, 100, 200, 300)); return 0; }
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