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  1. #include <stdio.h>
  2. #include <ctype.h>
  3. #include <string.h>
  4.  
  5. void apenasNumeros(char *texto, char *dest)
  6. {
  7.     int i, j;
  8.     int length = strlen(texto);
  9.  
  10.     j = 0;
  11.     for ( i = 0; i < length; i++ ) {
  12.         if ( isdigit(texto[i]) ) {
  13.             dest[j++] = texto[i];
  14.         }
  15.     }
  16.  
  17.     dest[j] = '\0';
  18. }
  19.  
  20. int main()
  21. {
  22.     char cpf[15] = "123.456.789-00";
  23.     char cpfApenasNumeros[15];
  24.  
  25.     apenasNumeros(cpf, cpfApenasNumeros);
  26.  
  27.     printf("%s\n", cpfApenasNumeros);
  28.     //getchar();
  29.  
  30.     return 0;
  31. }
Success #stdin #stdout 0s 10304KB
comments (?)
stdin
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Standard input is empty
stdout
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12345678900
https://ideone.com/7QUCOm
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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