Questions tagged as 'c'

Tagged questions
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Insert sublist into list C

Hello, I'm having trouble working with linked sublists. I would like to know the correct way to insert a sublist into a list. I declare the lists as follows: struct Casa { int id_consumidor; int casa; float consumo; char *nom...
asked by 19.04.2015 / 17:12
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save a data type to a file in c language

I have this data structure: typedef struct { ListaCartao tabelaCartao[HASHSIZE]; ListaArtigos tabelaArtigos[HASHSIZE]; char localidade[MAXLOCALIZACAO]; }tCelulaSuperdume, *SuperDume; SuperDume superMercadoLocal[CONJUNTOSUPERDUME];...
asked by 09.05.2015 / 03:58
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How to read the last 3 characters of a char with no set size

I have a C application where I need to read only the last 3 characters of a char. Since the size of this char may vary, I did the following: memcpy(valor_final, string_total[strlen(string_total - 3)], 3); where valor_final wil...
asked by 09.06.2015 / 13:18
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Error in a function check

I need to make a code with several specific functions. In one, with a square matrix, I need to draw a primary and a secondary line, both cutting diagonally in the middle, leaving the upper numbers to be analyzed. Example: A 3 by 3 array would cu...
asked by 07.04.2015 / 05:07
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Copy struct C

How do I copy a pointer of type struct to C? For example, to copy a simple struct is only struct1 = struct2 ; but when it comes to 2 pointers, when it does this, one points to the same location of the other, and then the same, th...
asked by 26.03.2015 / 15:05
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Why, within the function, the program is not comparing correctly?

The program receives the number of questions, the number of students, creates a vector of type char for the template and compares with the result of the other students, in an array, but within the function of contagemvalores , apparently t...
asked by 07.06.2015 / 03:03
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Help in genealogical tree in C

Good afternoon, I need to build a genealogical tree in c, but I only find examples with numbers that are compared, and if it is smaller than the previous one, it is thrown to the left, but my doubt is that I need to build a tree with String. Bel...
asked by 08.06.2015 / 19:13
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How to compile and run C program using Sublime Text in Ubuntu 12.04?

Is it possible to configure Sublime Text 2 so that it compiles a code in C and then execute and show the result in the terminal?     
asked by 21.03.2015 / 06:55
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Problem with delta0 output

Good evening, I'm having trouble with the output of my program that printed on the screen the roots of the equation of the second degree. When I go to the condition of: if (delta<0) //Condicao caso o delta seja menor que zero { printf...
asked by 23.03.2015 / 01:11
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Error when I try to call a function

I need to calculate the distance between two points, but when I call the function that does this (calculates the distance), it gives the error: "subscripted value is neither array nor pointer nor vector". I did the same thing in another funct...
asked by 07.12.2014 / 22:23