Answered Essay: e the string, capitalize all alphabet chars in the strin

C Programming Lab:

Write a program to accept a string from the keyboard, reverse the string, capitalize all alphabet chars in the string, print each char on its own line, print the number of alphabet chars capitalized and print the length of the string.

You should write one function for each operation and call them from main. The string and the integer for length should be declared in main and passed to called functions. You should try sketching a rough algorithm and test it on paper before coding. You can NOT use C library functions to get the length of a string, convert to upper case and test for lower case. You should write you own functions for these operations.

1. Main function – calls other functions
2. Function to get the length of a string
3. Function to test if a char is lower case (Hint: for char c, c >= ‘a’ works)
4. Function to convert a lower case char to uppercase (Hint: Look at positions in ASCII table)
5. Function to get string from keyboard. Hint: scanf will not work for strings with spaces. Google gets() and make sure that the string is sufficiently large to contain reasonable size input.
6. Function to reverse string.
7. Function to capitalize all alpha chars and count number capitalized.
8. Function to print output.

Expert Answer




int getlength(char a[])


int i=0;




return i;


int checkLower(char a)


if (a>=’a’)

return 1;


return 0;


char convertUpper(char a)


return a-32;


char* getString()


char *a = (char *) malloc(50);

printf(“Enter string:”);


return a;


char* reverse(char a[])


int l=getlength(a);

int i;

char temp;







return a;


void capitalizeCount(char a[])


int count=0,i,l=getlength(a);

char copy[l];












printf(“nCapitalized string=%snNumber of characters capitalized=%i”,copy,count);


int main()


char *rev;

char *str = getString();

printf(“Length of string=%i”,getlength(str));



printf(“nReversed String=%s”,rev);

return 0;


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