一个文本文件用内存映射打开后,如何一行一行地进行读取? Linux下C语言

Question

如题所述

Answer 1

//mbuf为文件的内存映射地址，buf为你要保存字符串的地址。
char *readline(const char *mbuf, char *buf, int maxlen)
{
int len=0;
while(len<maxlen-1 && *(mbuf+len)!='\n')
{
*(buf+len)=*(mbuf+len);
len++;
}
*(buf+len)='\0';
return buf;
}

Answer 2

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