当宣告C/C++的built-in type后,必须马上initialize该变量的值,因为C/C++在宣告变量时,仅为该变量配置了一块内存,却没对该变量设定任何初始值,所以该变量目前的值为宣告该变量前所残留的值,虽可直接使用该变量,但并没有任何意义。 尤其在使用array时,当宣告完array及其大小后,第一件事情就是为array中所有element...
#include <stdio.h> #include <stdlib.h> #include <string.h> void printCharArray(char *arr, size_t len) { printf("arr: "); for (size_t i = 0; i < len; ++i) { printf("%c, ", arr[i]); } printf("\n"); } enum { LENGTH = 21, HEIGHT = 5 }; int main() { char ...
is trying to initialize a size 3 one dimensionalarray of strings. ´a´and"a"are different things. The first one is a char. The second is a string. If you want to initialize the char array to something specific then you can do so like this chararray[3][3] = {{'a',...
m_sorted_tok_set.Initialize(max_keyword_size);Initialize(); m_hit_enc_file.OpenReadFile(CUtility::ExtendString ("LocalData/hit_encoding", GetClientID())); m_excerpt_occur_map_file.OpenReadFile(CUtility::ExtendString ("LocalData/excerpt_occurr", GetClientID()));for(inti=0; i<m_assoc_...
A designator causes the following initializer to initialize of the array element described by the designator. Initialization then continues forward in order, beginning with the next element after the one described by the designator. int n5 = {4=5,0=1,2,3,4} // holds 1,2,3,4,5 int aMAX...
In this article, you will learn how to initialize a string array with default values using the new keyword and a specified size for the Array. An array is a collection of elements of the same type that can be accessed using an index. In the case of a string array, each element is a...
I'm trying to initialize a string by calling that function on an integer, but const char * timeConvert(int secs){ ... return("%d:%d:%d:%d",days,hours,minutes,seconds); } int main(){ char time[11] = timeConvert(61); printf(time); ...
intmain(void){ intarr[1024]={0};//ThiswillmakeallZERO //statements } 3、可以用memset函数在程序开始时初始化数组。这条命令这在已经修改了数组之后又想将它重置为全0特别有用。intarr[1024];arr[5]=67;memset(ZEROARRAY,0,1024);//ThiswillreinitializealltoZERO ...
string literal used to initialize an array, an expression that has type ‘‘array of type’’ is converted to an expression with type ‘‘pointer to type’’ that points to the initial element of the array object and is not an lvalue. If the array object has register storage class, the...
You can initialize an array of characters (or wide characters) with a string literal (or wide string literal). For example: 复制 char code[ ] = "abc"; initializes code as a four-element array of characters. The fourth element is the null character, which terminates all string literals...