void return char
#include <stdio.h> #include <malloc.h> void abc(char *b) b = "abc"; printf("address of b : %d-n", &b); printf("b = %d-n", b); return; } int main() char *a = NULL; , return 0; }. char *Error1() ： 在副函式中配置變數，離開副函式後什麼都沒有. void Error2(char *String)：原本在主程式裡面並沒有配置String 該有的 ..., If you want to return a char * from your function, you have to use the appropriate return type: char* foo(void) // ^ char *bar; // ... return bar; }., And if you want to change a char array of main, your void function would work. :) ... (Were you supposed to return a copy of the char array, or is ...,You'll either need to pass-in the array by pointer (as keltar comments) in which case you don't need to return anything and the function can be marked void , or ... ,相反的，如果一個有傳回值的函式，則函式內一定要有return指令，隨後還要有傳回值，程式才能正確的 ... 以下範例展示一個傳入char參數，再傳回char變數值的函式。 , char* str_test() char* a= new char[20]; sprintf(a, "abcd"); return a; } ... 傳進去, 直接在function裡面更改指標指向的區域, function回傳void就好。,It returns a pointer which can be used to point to any type of data. You can converse any type of pointer to void * and vice versa. Like this: char *ptr_char;; void ... ,Best as an out parameter: void testfunc(char* outStr) char str[10]; for(int i=0; i < 10; ++i) outStr[i] = str[i]; } }. Called with int main() char myStr[10]; testfunc(myStr); ... ,Which way of modifying a string is more standard? Standard C string functions declared in the header <string.h> usually return pointer to the target string.
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 void return char 相關參考資料
將char * 傳入function 的問題 C++ 程式設計俱樂部
#include <stdio.h> #include <malloc.h> void abc(char *b) b = "abc"; printf("address of b : %d-n", &b); printf("b = %d-n", b); return; } int main() char ... http://www.programmer-club.com 12_指標當參數常發生的錯誤@ 藍影:: 痞客邦::
return 0; }. char *Error1() ： 在副函式中配置變數，離開副函式後什麼都沒有. void Error2(char *String)：原本在主程式裡面並沒有配置String 該有的 ... http://edisonshih.pixnet.net Unable to return char pointer from function - Stack Overflow
If you want to return a char * from your function, you have to use the appropriate return type: char* foo(void) // ^ char *bar; // ... return bar; }. https://stackoverflow.com Transform a void function into char* C++ - Stack Overflow
And if you want to change a char array of main, your void function would work. :) ... (Were you supposed to return a copy of the char array, or is ... https://stackoverflow.com Function return char[] instead of int - Stack Overflow
You'll either need to pass-in the array by pointer (as keltar comments) in which case you don't need to return anything and the function can be marked void , or ... https://stackoverflow.com void函式
相反的，如果一個有傳回值的函式，則函式內一定要有return指令，隨後還要有傳回值，程式才能正確的 ... 以下範例展示一個傳入char參數，再傳回char變數值的函式。 http://ccy.dd.ncu.edu.tw ahan's Blog: C語言- 原來在function裡面回傳一個string只有兩種辦法
char* str_test() char* a= new char[20]; sprintf(a, "abcd"); return a; } ... 傳進去, 直接在function裡面更改指標指向的區域, function回傳void就好。 http://iamahan.blogspot.com What does a function with return type void* return? - Quora
It returns a pointer which can be used to point to any type of data. You can converse any type of pointer to void * and vice versa. Like this: char *ptr_char;; void ... https://www.quora.com How do I return a char array from a function? - Stack Overflow
Best as an out parameter: void testfunc(char* outStr) char str[10]; for(int i=0; i < 10; ++i) outStr[i] = str[i]; } }. Called with int main() char myStr[10]; testfunc(myStr); ... https://stackoverflow.com string modifying function: return void or char*? - Stack Overflow
Which way of modifying a string is more standard? Standard C string functions declared in the header <string.h> usually return pointer to the target string. https://stackoverflow.com |