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  1. %{
  2. #include <stdio.h>
  3. #include <string.h>
  4. #include <ctype.h>
  5.  
  6. void replace_case(const char *input, const char *replacement, char *output) {
  7.     for (int i = 0; i < strlen(input); i++) {
  8.         if (isupper(input[i])) {
  9.             output[i] = toupper(replacement[i]);
  10.         } else {
  11.             output[i] = tolower(replacement[i]);
  12.         }
  13.     }
  14.     output[strlen(input)] = '\0'; 
  15. }
  16. %}
  17.  
  18. %% 
  19. [Cc][Ss][Pp][Ii][Tt] {
  20.     char output[6]; 
  21.     replace_case(yytext, "mbict", output);
  22.     printf("%s", output);
  23. }
  24. .|\n    { printf("%s", yytext); } 
  25. %%
  26.  
  27. int yywrap() {
  28.     return 1;
  29. }
  30.  
  31. int main() {
  32.     yylex();
  33.     return 0;
  34. }
Success #stdin #stdout #stderr 0.03s 6924KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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ERROR: /home/z2Wbdi/prog:34:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/zeUoYH
language:
Prolog (swi 7.6.4)
created:
7 days ago
visibility:
public

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