CSPrograms4u: C PRO 30 : Program to convert the string into upper and lower case

// Program

# include <stdio.h>

# include <string.h>

void main()

{

char S[100];

puts("Enter any string : ");

gets(S);

printf("Entered string is : %s",S);

printf("\nString in upper case is : %s",strupr(S));

printf("\nString in lower case is : %s",strlwr(S));

}

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