如何把getchar()取出的字符放回缓冲区呢？？？

[milkcu]

如题，如何把getchar()取出的字符放回缓冲区呢？？？

[www_adintr_com]

有个 ungetc 函数

[图灵狗]

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引用 1 楼 adlay 的回复:

有个 ungetc 函数

[AnYidan]

int ungetc(int c, FILE *stream) ungetc pushes c (converted to an unsigned char) back onto stream, where it will be returned on the next read. Only one character of pushback per stream is guaranteed. EOF may not be pushed back. ungetc returns the character pushed back, or EOF for error.

[milkcu]

错误票据 - 蓝桥杯 - MilkCu的专栏 - 博客频道 - CSDN.NET http://blog.csdn.net/milkcu/article/details/9090515 谢谢各位，谢谢ungetc()，问题解决了。。。