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#include <iostream>using namespace std;/*int iMyStricmpUpper(s1,s2)Returns the same value as stricmp unless one of the values is uppercase in which condition the uppercase value precedes.*/int mystricmp(char *s1,char *s2){	int r = 0;	while (*s1 == *s2++)		if (*s1++ == 0)			return (0);	if(*s1 > 64 && *s1 < 91)	{		//if both are the same letter, upper precedes		if( ((unsigned char)(*s1 + 32) - *(unsigned char *)(s2-1)) == 0 )		{			r = ((unsigned char)((*s1 + 32) - *(unsigned char *)--s2)-1);			//limit return value to 1, -1, or 0			if(r > 0)				return 1;			if(r < 0)				return -1;			return 0;		}		//figure precedence alphabetically regardless of case		r = ((unsigned char)(*s1 + 32) - *(unsigned char *)--s2);		//limit return value to 1, -1, or 0		if(r > 0)			return 1;		if(r < 0)			return -1;		return 0;	}	if(*(s2-1) > 64 && *(s2-1) < 91)	{		//if both are the same letter, upper precedes		if( ((*(unsigned char *)(s2-1) + 32) - (unsigned char)(*s1)) == 0 )		{			r = (*(unsigned char *)s1 - (unsigned char)(*(--s2)+31));			//limit return value to 1, -1, or 0			if(r > 0)				return 1;			if(r < 0)				return -1;			return 0;		}		//figure precedence alphabetically regardless of case		r = (*(unsigned char *)s1 - (unsigned char)(*(--s2)+32));		//limit return value to 1, -1, or 0		if(r > 0)			return 1;		if(r < 0)			return -1;		return 0;	}	//returns value based on ascii precedence	r = (*(unsigned char *)s1 - *(unsigned char *)--s2);	//limit return value to 1, -1, or 0	if(r > 0)		return 1;	if(r < 0)		return -1;	return 0;}/*int iMyStrcmpUpper(s1,s2)Returns the same value as strcmp unless one of the values is uppercase in which case both are considered equal.*/int mystrcmp(char *s1,char *s2){	int r = 0;	while (*s1 == *s2++)		if (*s1++ == 0)			return (0);	if(*s1 > 64 && *s1 < 91)	{		//disregard case		r = ((unsigned char)(*s1 + 32) - *(unsigned char *)--s2);		//limit return value to 1, -1, or 0		if(r > 0)			return 1;		if(r < 0)			return -1;		return 0;	}	if(*(s2-1) > 64 && *(s2-1) < 91)	{		//disregard case		r = (*(unsigned char *)s1 - (unsigned char)(*(--s2)+32));		//limit return value to 1, -1, or 0		if(r > 0)			return 1;		if(r < 0)			return -1;		return 0;	}	//return value based on ascii precedence	r = (*(unsigned char *)s1 - *(unsigned char *)--s2);		//limit return value to 1, -1, or 0		if(r > 0)			return 1;		if(r < 0)			return -1;		return 0;}int main(){	char string1[127], string2[127];	cout << "Compare: Program to aphebeticly compare two strings.\n"	     << "\nEnter first string:";	cin  >> string1;	cout << "\nEnter second string:";	cin  >> string2;	cout << "\nmystricmp returned " << mystricmp(string1,string2) << "\n";	cout << "\nmystrcmp returned " << mystrcmp(string1,string2) << "\n";	cout << "\nstrcmp returned " << strcmp(string1,string2) << "\n";	if( mystricmp(string1,string2) < 0 )		cout << "\n" << string1 << "\n" << string2 << "\n";	if( mystricmp(string1,string2) > 0 )		cout << "\n" << string2 << "\n" << string1 << "\n";	if( mystricmp(string1,string2) == 0 )		cout << "\nThe two strings are the same.\n";	return 0;}