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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4. #include <ctype.h>
  5.  
  6. char *strreplace(char *str,const char *from,const char *to)
  7.  
  8.     {
  9.  
  10.     	char *p=str;
  11.  
  12.     	while( p=strstr(p,from) )
  13.  
  14.     	{
  15.  
  16.     		memmove(p+strlen(to),p+strlen(from),strlen(p+strlen(from))+1);
  17.  
  18.     		memcpy(p,to,strlen(to));
  19.  
  20.     		p+=strlen(to);
  21.  
  22.     	}
  23.  
  24.     	return str;
  25.  
  26.     }
  27.  
  28.  
  29.  
  30.  
  31.  
  32.     int main()
  33.  
  34.     {                                              // 3. Variante
  35.  
  36.     char string3[200] = "Hallo, diese Nachricht wird ersetzt. Dieser Quelltext gehoert zu den Systemen.";
  37.  
  38.     printf("Vorher: %s\n", string3);                                            // Vorher
  39.  
  40.     printf("Nachher: ");                                                        // Nachher
  41.     printf(strreplace(string3,"en","x"),strreplace(string3,"x","en"), strreplace(string3,"er","q"), strreplace(string3,"q","er"), strreplace(string3,"y","ch"),strreplace(string3,"ch","y"), strreplace(string3,"a","o"), strreplace(string3,"o","a"));
  42.  
  43.  
  44.     return 0;
  45. }
  46.  
Success #stdin #stdout 0s 4396KB
comments (?)
stdin
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Standard input is empty
stdout
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Vorher: Hallo, diese Nachricht wird ersetzt. Dieser Quelltext gehoert zu den Systemen.
Nachher: Hollo, diese Nochricht wird qsetzt. Diesq Quelltext gehoqt zu dx Schstemx.
https://ideone.com/LmlqqJ
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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