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C String Uppercase: strupr()

The strupr(string) function returns string characters in uppercase. Let's see a simple example of strupr() function.

#include<stdio.h>
#include <string.h>  
int main(){  
  char str[20];  
  printf("Enter string: ");  
  gets(str);//reads string from console  
  printf("String is: %s",str);  
  printf("\nUpper String is: %s",strupr(str));  
 return 0;  
}  

Output:

Enter string: w3cschoool
String is: w3cschoool
Upper String is: JAVATPOINT

Next TopicC strstr()

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C Tutorial

C Control Statements

C Functions

C Array

C Pointers

C Dynamic Memory

C Strings

C Math

C Structure Union

C File Handling

C Preprocessor

C Command Line

C Misc

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Math

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C String Uppercase: strupr()

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