WebNov 17, 2013 · You must instead detect within the loop when you encounter EOF (when fgets () returns NULL) and break out of the loop then. Share Improve this answer Follow answered Nov 17, 2013 at 23:54 Iwillnotexist Idonotexist 13.2k 4 43 64 In fact, I inserted a condition that fgets doesn't take the NULL value. WebJun 25, 2012 · fgets reads at most 1 fewer characters than the length argument given, and does retain the newline as part of the input - so long as the newline is part of the first (length - 1) characters. So in your first case, assuming that 123456789 is followed by a newline, fgets has read 9 characters including the newline, yielding a string length of 10 ...
Parse a text file into multiple variables with fgets in C
Webfgets (buf, MAX, stdin) buf是一个char数组的名称,MAX是字符串的最大长度,fp是FILE指针。 fgets()函数读取到它所遇到的第一个换行符的后面,或者读取比字符串的最大长度少 … WebFeb 10, 2014 · fgets () reads in at most one less than size characters from stream and stores them into the buffer pointed to by s. Reading stops after an EOF or a newline. If a newline is read, it is stored into the buffer. A terminating null byte (' \0 ') is stored after the last character in the buffer. And later mogpa facebook
fgets (GNU Gnulib)
WebOct 23, 2016 · fgets () returns NULL, and nothing is stored into buffer. The first six calls will all return &buffer [0] - not NULL - since no error is encountered reading from the file. Even though there are two blank lines in the input. The last line, which is longer than the buffer (with the '\n' counted) is read in two parts. WebYeah that's what I thought, but when I run it through gdb, if I put a string longer than MAXBUF in, it WILL get cut-off automatically, but the next time the while loop comes around, instead of pausing for input again, it just loads whatever was left after the buf[MAXBUF] element into buf and uses that for some reason. WebFeb 9, 2014 · A terminating null byte (' \0 ') is stored after the last character in the buffer. gets () and fgets () return s on success, and NULL on error or when end of file occurs … mogpa facebook live