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C Program to replication of string

write a c program to implement the replication of string which will be given as a command line argument?
Asked by: Interview Candidate | Asked on: Oct 14th, 2011
Showing Answers 1 - 1 of 1 Answers
Abhishek

Answered On : Nov 11th, 2011

Code
  1. #include <stdio.h>
    2. 

  2. #include <stdlib.h>
    3. 

  3. #include <string.h>
    4. 

  4.  char * string_repeat( int n, const char * s ) 
    5. 

  5. { 
    6. 

  6.  size_t slen = strlen(s);  
    7. 

  7. char * dest = calloc(n*slen+1, sizeof(char));   
    8. 

  8. int i; char * p;  
    9. 

  9. for ( i=0, p = dest; i < n; ++i, p += slen ) 
    10. 

  10. {    
    11. 

  11. memcpy(p, s, slen);  
    12. 

  12. }  
    13. 

  13. return dest;
    14. 

  14. } 
    15. 

  15. int main() 
    16. 

  16. {  
    17. 

  17. printf("%s
    18. 

  18. ", string_repeat(5, "ha"));  
    19. 

  19. return 0;
    20. 

  20. }

  
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