C Language Zemi

string.h --Standard header for string manipulation and memory copy functions

This is an introduction to the functions for manipulating strings.

Copy of string

• memcpy function-copy memory area in bytes
• memmove function --Copy memory area in bytes (overlap OK)

String length

• strlen function-get the length of the string

String search

• strstr function-check if a string is included
• strchr function-check if characters are included
• strrchr function-check from behind if characters are included

Comparison of strings

• strcmp function-Compare strings
• strncmp function-Compare substrings