Questions tagged [ungetc]
22 questions
0
votes
1 answer
wrap ungetc() without puts() gets() and streams in general
I'm porting net-snmp to an embedded platform that only has limited access to the filesystem and I stumbled upon a big problem. There's a part of the core code that uses the ungetc() function, which I don't have. There are of course 2 solutions:
A)…
mfloris
- 361
- 4
- 16
0
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1 answer
Function like ungetc in php
is there a function in php which does something similar to ungetc C? I mean a function that puts a character back onto a stream?
sykatch
- 301
- 1
- 2
- 13
0
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1 answer
fefo is not checking EOF during its last iteration in while loop?
I have a code which uses ungetc,and fefo function but i noticed that fefo is not checking for EOF below is my code
#include
int main ()
{
FILE *fp;
int c;
char buffer [200];
fp = fopen("", "r");
if( fp == NULL )
{
…
user4950013
- 137
- 5
0
votes
2 answers
Undoing the effects of ungetc() : "How" do fseek(),rewind() and fsetpos() do it?Is buffer refilled each time?
Huh!!How shall I put the whole thing in a clear question!!Let me try:
I know that the files opened using fopen() are buffered into memory.We use a buffer for efficiency and ease.During a read from the file, the contents of the file are first read to…
Thokchom
- 1,602
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- 32
0
votes
3 answers
understanding ungetc use in a simple getword
I've come across such an example of getword.
I understand all the checks and etc. but I have a problem with ungetc.
When the c does satisfy if ((!isalpha(c)) || c == EOF)and also doesn't satisfy while (isalnum(c)) -> it isn't a letter, nor a…
Peter Cerba
- 806
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1 answer
Equivalents for these functions in SolFS?
I am making an extension for an application. My extension uses SolFS and I want to use it to redirect all file traffic to SolFS. To accomplish this I need a bit of help because SolFS has not the equivalents for all needed functions (3 to be…
user1182183
-3
votes
4 answers
Why the input "abc!!!" but the output is not "abc+++"?
I researching about input/output file.Below code relate some functions such as: fgetc(),fgets(),fputs(). i don't know why it does not work exactly as i want.Thank you so much ! Below is my code:
#include
int main()
{
FILE *fp; //FILE…
Thuan Tran
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- 1