Questions tagged [getstring]

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During PSET 2: Substitution, I got an expected expression error for get_string. Please help

substitution.c:24:23: error: expected expression char* plaintext = get_string(); ^ /usr/include/cs50.h:109:53: note: expanded from macro 'get_string' #define get_string(...) ...
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3answers
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Week 1: get_int & get_string errors

Fro the files int.c and string.c, I copied the code from the lecture exactly, and was receiving errors, then modified the code according to suggestions online by adding #include <cs50.h>and I'm ...
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2answers
80 views

Is there a limit to get_string()

I am new to CS50 and teaching AP Comp Sci Principles for the first time this school year. One of my students asked it there was a limit to the amount of bits get_string() can store. I wasn't sure what ...
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1answer
634 views

Week 1 compiling String.c using clang instead of make

in week 1 as I understood : make= compile the file and name the compiled file with the same name. clang= compile the file with the default name. when I've used make it worked and when I used clang it ...
2
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1answer
4k views

What does “ 'GetString' is deprecated” mean? How do I fix it?

I have encountered a really confusing error that deals with the "GetString();" function. I tried to google what does this error message mean but haven't had any luck finding a solution. I don't think ...
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1answer
384 views

after running update50, get_string(); fails

I was working on Vigenère for pset2, when I was prompted to run update50. After the update completed, string = plaintext = get_string(); failed with the following error: vigenere.c:22:24: error: ...
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1answer
1k views

Finding & printing character after space in string in C

I've been banging my head against a wall here for days, trying to print initials after user name input. The errors change continually and are many. I'm trying to name the string array 'name' then ...
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1answer
97 views

week 1 string.c errors

I am going through week 1, and once I enter this: #include <cs50.h> #include <stdio.h> int main(void) { string name = get_string(); ...
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1answer
2k views

strcmp always returns 0, even with different strings. Week4

Working through the CS50 pages, I decided to do this locally on my Linux Mint computer (gcc --version gets me: gcc (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4). At the start, I did not realize that cs50.c ...
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1answer
160 views

How could you create a dynamic array of strings in C?[Beginner]

How do you create a dynamic array of strings? Like if I had this code printf("What are the names of your pets?"); what piece of code would I write to get multiple string answers from the user? (I'm ...
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2answers
8k views

What's the C equivalent for “string input = GetString();”

I am trying to become less dependent on the cs50.h library. I have tried different combinations to replace this line string input = GetString(); but I can't get anything working. Compiler keeps ...
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1answer
46 views

GetString() & Dynamic Memory Allocation

I observed in a walkthrough video in Week 4 (structs-0, I believe) David mentions that any variable created with GetString() should be free()d after its usage, due to the fact that, I vaguely quote ...
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0answers
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Small question with how NULL works

this is just a small question on NULL. In the snippet below, why doesn't the do-while loop repeat when I don't enter anything for the string? #include <stdio.h> #include <string.h> #...
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1answer
1k views

Problem with Getstring

I don't know what is the problem here when Ι write make hello umerkhan951@ide50:~/workspace/new $ make hello clang -ggdb3 -O0 -std=c99 -Wall -Werror hello.c -lcs50 -lm -o hello hello.c:8:21: ...