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strcmp() - String Compare        strcpy() - String Copy        strcat() - String Concatenate

C Programming - strncat Syntax

strncat function is used to concatenate the specified portion of one string at the end of another string.

Syntax:
	char *strncat ( char *dest, const char *src, size_t number );

The above statement shows that the particular portion of source string is appended at the end of destination string.

For example:

	strncat(str2, str1, 4) ----- first 4 characters of str1 is appended at the end of str2.

Example program using strlen() in C Programming

#include<stdio.h>

#include<string.h>


main()
{
  char first[] = "SPRING";
  char second[] = "WELCOME";
  char result;

  printf(" The first string is %s ",first);
  printf(" \n The second string is %s ",second);

  result = strncat(second,first,4);
  printf(" \n Concatenated String is %s = ",result);
  return(0);
}

Output:

The first string is SPRING
The second string is WELCOME
Concatenated String is WELCOME SPRI

strlen() - String Length strlwr() - String Lower       

strncmp() - String n Compare        strncpy() - String n Copy

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strncat() - String n Concatenation        strlwr() - String Lower       

strncmp() - String n Compare       strncpy() - String n Copy