Write a complete MIPS program to toggle the case of all alphabetic characters in

Question

Write a complete MIPS program to toggle the case of all alphabetic characters in a C-string held in RAM in your program. Declare the string with a reasonable value (a 5 or 6 word sentence with spaces and punctuation) and print it before and after toggling the case of all alphabetic characters in the string. Do not add notes to the top of the program, but you may comment individual lines. The upper-case characters are 32 less than their corresponding lower-case characters. (less than 40 lines of code)

Explanation / Answer

#include <stdio.h>

int main()

{

char    str[100];

    int     counter;

printf("Enter a string: ");

    gets(str);

for(counter=0;str[counter]!=NULL;counter++)

    {

        if(str[counter]>='A' && str[counter]<='Z')

str[counter]=str[counter]+32;   //convert into lower case

        else if(str[counter]>='a' && str[counter]<='z')

            str[counter]=str[counter]-32;   //convert into upper case

    }

printf("String after toggle each characters: %s",str);

    return 0;

}

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