8
votes
Undefined reference to `GetString'
Download the cs50 from: http://mirror.cs50.net/library50/c/library50-c-5.zip
Extract it. (You will get two files cs50.c and cs50.h)
Now copy both the files to your default library folder. (which ...
- 81
4
votes
cs50.h header files download
It depends on your compiler, but odds are the simplest method of installation is to:
Download and unzip library50-c-5.zip.
Copy cs50.c and cs50.h into the same directory as your own code.
- 1,211
3
votes
Accepted
Compilation error in hello.c: undefined reference to `get_string'
Compiler does not complain about missing cs50.h, so that looks right.
The linker does complain, though, and that's probably because you did not pass -lcs50 when compiling (telling the linker to ...
- 20.9k
3
votes
Accepted
CS50 IDE seems to use an old version of the CS50 library
It should be sufficient to update the IDE, using the update50 command, on the terminal. It is also possible that the announced changes take a few days or weeks to complete
- 5,159
2
votes
GetInt + sscanf -- why doesn't it accept only characters?
Good catch. Actually, c will never be populated with this command if (sscanf(line, " %i %c", &n, &c) == 1). It is a matching failure. From man sscanf:
A conversion specification, which ...
- 27.8k
2
votes
CS50 IDE seems to use an old version of the CS50 library
What IDE version? It is displayed in the menu bar next to the cloud9 icon. You can version50 at the command line. Current version is 94 as of this writing. Did you run update50 as per the Updating ...
- 27.8k
1
vote
cs50.h: No such file or directory
Looks like your codespace is in Recovery mode.
Please follow the instructions here:
https://cs50.readthedocs.io/code/#codespaces-run-into-recovery-mode
- 18.6k
1
vote
Accepted
Help in Resize, biSize headers not sizing correctly
Hmmm.....
So here's my question for you. WHICH fields are supposed to be updated in the headers when resizing to something other than 1?
Hint: check50 is giving you a clue.
If this answers your ...
- 68.1k
1
vote
1
vote
Accepted
Functions outside Cs50.h
As one can see on https://github.com/cs50/libcs50/tree/master/src those contain quite some code to keep you from messing up and provide a nice user interface.
The simplest alternative would be scanf, ...
- 20.9k
1
vote
Accepted
CS50 IDE cs50.h library problem 2017
The compiler command is make test (unless you want to supply all the switches for clang). Notice that make echos to the terminal the actual clang command it uses.
- 27.8k
1
vote
Accepted
String error #include <cs50.h>
Check your spelling of string.
You spelt it as stirng
it is spelled string
- 169
Only top scored, non community-wiki answers of a minimum length are eligible