Hi I wonder if it is possible the get the source code for the function "strstr.c" I need to modify it to call my watchdog. /ingvar
Andrew, You mean putchar must handle this issue (can't print the character). In this case it will return to its caller, printf, and the caller continues to send the remaining characters out. Correct ? In this case putchar must have a handler for the exceptions like timeouts, error flags. Correct again ? Regards Viktor