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    C printf macro to add timestamp at each print
  
        
  
    
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  | #include <stdio.h> | |
| #include <time.h> | |
| #include <string.h> | |
| char * timestamp(); | |
| #define print_log(f_, ...) printf("%s ", timestamp()), printf((f_), ##__VA_ARGS__), printf("\n") | |
| int main(int argc, char* argv[]) { | |
| print_log("Hello"); | |
| print_log("%s%d","mokumus",1996); | |
| return 0; | |
| } | |
| char * timestamp(){ | |
| time_t now = time(NULL); | |
| char * time = asctime(gmtime(&now)); | |
| time[strlen(time)-1] = '\0'; // Remove \n | |
| return time; | |
| } | 
  
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