Knowledge Walls
Venkatesan
Hyderabad, Andhra Pradesh, India
Passcode:
Introduction [cont'd]
Input Output Functions [cont'd]
Structures and Unions [cont'd]
# Preprocessor [cont'd]
ctype.h in Introduction of Programming in C
1503 Views
Ctype.h - Characters type 
ctype.h header file has set of functions to transform and check characters. isalnum(), isalpha(), isdigit(), isblank(), toupper(), tolower() etc
Program
#include
void main(){
   printf("%c\n",toupper('a'));
   printf("%c",tolower('A'));
}
Output 
A
a
Next Topics
Next lessons of current book.
Introduction of Programming in C
Introduction of Programming in C
Introduction of Programming in C
Best Lessons of "Programming in C"
Top lessons which are viewed more times.
Structures and Unions of Programming in C
Input Output Functions of Programming in C
Structures and Unions of Programming in C
  Copyright © 2014 Knowledge walls, All rights reserved
KnowledgeWalls
keep your tutorials and learnings with KnowledgeWalls. Don't lose your learnings hereafter. Save and revise it whenever required.
Click here for more details