stdlib.h is needed for the atoi() function (ASCII to integer), which converts a string to an integer.

h是atoi()函数（将ASCII 码转换为整数）所需要的，该函数将字符串转换为整数。

youdao

stdlib.h is needed for the atoi() function (ASCII to integer), which converts a string to an integer.

h是atoi()函数（将ASCII 码转换为整数）所需要的，该函数将字符串转换为整数。

youdao