strset() function in c Language

• strset( ) function sets all the characters in a string to given character. Syntax for strset( ) function is given below.

char *strset(char *string, int c);

• strset( ) function is non standard function which may not available in standard library in C.

  Example program for strset() function in C language:

  • In this program, all characters of the string “Test String” is set to “#” using strset( ) function and output is displayed as “###########”.
  C

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  #include<stdio.h> #include<string.h> int main() {    char str[20] = "Test String";    printf("Original string is : %s", str);    printf("Test string after strset() : %s",strset(str,'#'));    printf("After string set: %s",str);    return 0; }

  Output:

  Original string is             : Test String Test string after strset() : ###########

  Other String functions in C Language:

  • String.h header file supports all the string functions in C language. All the string functions are given below.

  S.no	String functions	Description
  1	strcat ( )	Concatenates str2 at the end of str1.
  2	strncat ( )	appends a portion of string to another
  3	strcpy ( )	Copies str2 into str1
  4	strncpy ( )	copies given number of characters of one string to another
  5	strlen ( )	gives the length of str1.
  6	strcmp ( )	Returns 0 if str1 is same as str2. Returns <0 if strl < str2. Returns >0 if str1 > str2.
  7	strcmpi ( )	Same as strcmp() function. But, this function negotiates case.  “A” and “a” are treated as same.
  8	strchr ( )	Returns pointer to first occurrence of char in str1.
  9	strrchr ( )	last occurrence of given character in a string is found
  10	strstr ( )	Returns pointer to first occurrence of str2 in str1.
  11	strrstr ( )	Returns pointer to last occurrence of str2 in str1.
  12	strdup ( )	duplicates the string
  13	strlwr ( )	converts string to lowercase
  14	strupr ( )	converts string to uppercase
  15	strrev ( )	reverses the given string
  16	strset ( )	sets all character in a string to given character
  17	strnset ( )	It sets the portion of characters in a string to given character
  18	strtok ( )	tokenizing given string using delimiter

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