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Strings in C

Published on 06 Mar 2020

A string is a sequence of characters. It is represented as an array of characters and the end of the string is marked by the NULL ('\0') character. String constants are generally enclosed in double quotes. String functions are defined in the header file string.h

String declaration: char a[ 10];

String initialization:  Every string ends with a null character '\0'. So, along with this character, the number of elements is 4. So, declare the array with 4 elements.

char a[4]= {'V', 'I', 'T'}; 

char a[]= {'V', 'I', 'T'} ;     

char a[]="VIT"; 

char a[4]="VIT"; 

char a[3]={'V', 'I', 'T'} ; // This is wrong syntax


Functions used in strings:

1) gets(): A function that can be used to read a string

Syntax: gets(character array);

2) puts(): A function used to print a string

Syntax: puts(character array);



int main()
    char str[50];
    return 0;
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