Programming

char test[]="abk\0jsdhj\01234\0"

char test[30]="abk\\0jsdhj\\01234\\0";

# include<stdio.h>

int main()
{
  int i;
  int j;
  char replacestr[30];
  char test[30]="abk\\0jsdhj\\01234\\0";

  for( i=0, j=0; test[j] != '\0'; )
  {
     if( test[j] == '\\')
     {
        if( test[++j] == '0' )
        {
           replacestr[i++]='a';
           j++;
        }
        else
        {
           replacestr[i++]=test[j++];
        }
     }
     else
     {
        replacestr[i++]=test[j++];
     }
  }
  replacestr[i]='\0';
  fprintf(stderr, "Replaced String is %s\n", replacestr);
  return 0;
}