IOS Fourth day

1, the importance of a string array, if a string is required to be printed, starts from the current character until the end of the.

2, String handler function

Character handler Putchar can only output one character at a time

GetChar waits for the user to enter a character that can read a space tab, etc.

Strlen returns the character length of a string

In 64-bit environment, one Chinese takes three characters

strcopy function: Copy the right string to the left string

Strcat: Stitching the right string behind the left string

strcmp: string comparison

IOS Fourth day