Syntax: size_t strnlen(const char *str, size_t maxlen) Sizeof(str1) would return value 20 as the array size is 20 (see the first statement in main function). So if I consider the above example again then the following statements would return the below values. Strlen returns you the length of the string stored in array, however sizeof returns the total allocated size assigned to the array. Printf("Length of string str1: %d", strlen(str1)) It returns the length of the string without including end character (terminating char ‘\0’). Note: %s format specifier is used for strings input/output Read & Write Strings in C using gets() and puts() functions #include * we can use nickname instead of &nickname here * Array name alone works as a base address of array so * I am reading the input string and storing it in nickname Read & write Strings in C using Printf() and Scanf() functions #include
It is also referred as String terminator & Null Character.
In the above declaration NULL character (\0) will automatically be inserted at the end of the string. Method 2: The above string can also be defined as – char address="TEXAS" In order to use these string functions you must include string.h file in your C program. We can perform such operations using the pre-defined functions of “string.h” header file.
We will see how to compare two strings, concatenate strings, copy one string to another & perform various string manipulation operations. In this guide, we learn how to declare strings, how to work with strings in C programming and how to use the pre-defined string handling functions.
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