puts()
in c i will implement.
Main job of this function is to print a new line autoamtically where printf() does not give this.
example:
#include<stdio.h>
int main()
{
char string[]="This is an example of string";
char *str1="This is string pointer";
puts(string);
puts("Hello string");
puts(str1);
return 0;
}
putchar()
#include<stdio.h>
int main()
{
char string[]="This is an example of string";
int i=0;
system("cls");
while(string[i]!='\0')
{
putchar(string[i]);
i++;
}
return 0;
}
#include<stdio.h>
int main()
{
char str[24]="AbCdEfGhIjK";
int n;
for(n=0;str[n]!='\0';n++)
{
putchar(str[n]);
}
return 0;
}
The actual work of putchar is it display string as character by character putchar is a macro that outputs character on stdout.
and the basic is : putchar(‘a’) // it will print a
and putchar(a); //it will print the value in stored in a
And the basic parameters of this is:
int putchar(int c);
Take input in string:
#include<stdio.h>
int main()
{
char rakho[20];
printf("city name:");
scanf("%s",rakho);
printf("So you live in %s",rakho);
return 0;
}
In string we don’t mention ampersand & sign as string automatically take it as address.
catcpy.c
#include<stdio.h>
int main()
{
char str1[]="Bangladesh plays party";
char str2[]="Sad is a beautiful country";
strcpy(str1+11,str2+4);
strcat(str1,"! !! !!!");
printf("%s",str1);
return 0;
}
String equality:
#include<stdio.h>
#include<string.h>
int main()
{
char str1[30],str2[30];
int x;
printf("Enter first string:");
gets(str1);
printf("Enter second string:");
gets(str2);
x=strcmp(str1,str2);
if(0!=x)
{
printf("Two strings are not equal\n");
}
else {
printf("Two strings are equal\n");
}
getch();
return 0;
}
String Lower:
#include<stdio.h>
#include<string.h>
int main()
{
char str1[]="LOWER case";
puts(strlwr(str1));
return 0;
}
String Upper:
#include<stdio.h>
#include<string.h>
int main()
{
char str1[]="upper case";
puts(strupr(str1));
return 0;
}
strdup.c
#include<stdio.h>
#include<string.h>
int main()
{
char *p1="Raja";
char *p2;
p2=strdup(p1);
printf("Duplicated string is:%s",p2);
return 0;
}
strstr.c
Reference for some examples:
http://fresh2refresh.com/c-programming/c-strings/
