How to find the length of string in C language

This article will explain in detail how to find the string length in C language. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Find the strlen of the string length

Size_t strlen (const char * str)

The string ends with'\ 0', and the strlen function returns the number of characters that appear before'\ 0' in the string (excluding'\ 0').

The string pointed to by the parameter must end with'\ 0'.

Note that the return value of the function is size_t, which is unsigned.

Simulation and implementation of strlen

Size_t my_strlen (const char*str) {size_t count=0; while (* str) {str++; count++;} on "how to find string length in C language" this article is shared here, I hope the above content can be of some help to you, so that you can learn more knowledge, if you think the article is good, please share it for more people to see.