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Introduction [cont'd]
Input Output Functions [cont'd]
Structures and Unions [cont'd]
# Preprocessor [cont'd]
putc() in Files of Programming in C
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putc() 
putc() - write a character to a file.
Syntax 
putc(char, file_pointer_variable);
Program
	#include
	void main(){
	   FILE *fp;
	   char name[30];
	   char ch;
	   int i = 0;
	   fp = fopen("CHAR.txt","w");
	   strcpy(name,"Welcome to knowledge walls");
	   while((ch = name[i++]) != '\0'){
	       putc(ch,fp);
	   }
	   fclose(fp);
	}
Output 
Welcome to knowledge walls
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