/*** *strncat.c - append n chars of string to new string * * Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved. * *Purpose: * defines strncat() - appends n characters of string onto * end of other string * *Revision History: * 05-31-89 JCR C version created. * 02-27-90 GJF Fixed calling type, #include , fixed * copyright. * 10-02-90 GJF New-style function declarator. * *******************************************************************************/ #include #include /*** *char *strncat(front, back, count) - append count chars of back onto front * *Purpose: * Appends at most count characters of the string back onto the * end of front, and ALWAYS terminates with a null character. * If count is greater than the length of back, the length of back * is used instead. (Unlike strncpy, this routine does not pad out * to count characters). * *Entry: * char *front - string to append onto * char *back - string to append * unsigned count - count of max characters to append * *Exit: * returns a pointer to string appended onto (front). * *Uses: * *Exceptions: * *******************************************************************************/ char * _CALLTYPE1 strncat ( char * front, const char * back, size_t count ) { char *start = front; while (*front++) ; front--; while (count--) if (!(*front++ = *back++)) return(start); *front = '\0'; return(start); }