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  1. #include <stdio.h>
  2.  
  3. #define STRNCPY(DST, ORG, N) { \
  4.     char *s1 = (DST); \
  5.     const char *s2 = (ORG); \
  6.     size_t n = (N); \
  7.     int i; \
  8.     for (i = 0; i < n && s2[i] != 0; i++) \
  9.       { \
  10.         s1[i] = s2[i]; \
  11.       } \
  12.     s1[i] = 0; }
  13.  
  14. int main (void)
  15. {
  16.   char stringa[100];
  17.   STRNCPY (stringa, "Buon giorno a tutti!", 50)   // [1]
  18.                             // [1] Si osservi che manca il
  19.                             //     punto e virgola finale!
  20.   printf ("%s\n", stringa);
  21.   return 0;
  22. }
  23.  
Success #stdin #stdout 0.01s 1720KB
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stdin
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Standard input is empty
stdout
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Buon giorno a tutti!
https://ideone.com/A2Q2L
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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