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  1. #include <stdio.h>
  2. #include <stdarg.h>
  3. void myself_printf(char* key, char* value, ...) {
  4.     va_list args;
  5.     va_start(args, value);
  6.  
  7.     // use args twice format key and value
  8.     vprintf(key, args);
  9.     vprintf(value, args);
  10.  
  11.     va_end(args);
  12. }
  13.  
  14. int main() {
  15. 	myself_printf("%d-%s\n", "%s-%d\n", 12, "key", "value", 24);
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 9424KB
comments (?)
stdin 
Standard input is empty
stdout 
12-key
value-24
https://ideone.com/AlOoJ8
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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