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标准 C 实用程序库stdlib.h具有以下函数名称:
stdlib.h
(字符串为'a'):
(字符串为'str'):
为什么字符串有时称为“a”,有时称为“str”?
a代表ASCII,所以在 atoi 中它是ASCII整数。见这里。函数族ato已被str函数弃用。
a
ASCII
ato
str