所以一般memset只能用来填充char型数组，（因为只有char型占一个字节）如果填充int型数组，除了0和-1，其...
int** malloc_Array2D(introw,intcol) {intsize =sizeof(int);intpoint_size =sizeof(int*);intc =0;intcol1 =col;//确保内存是连续的int** arr = (int**) malloc(point_size * row + size * row *col);if(arr !=NULL) { memset(arr,0, point_size * row + size * row *col);int*he...
memset(arr, 0, point_size * row + size * row * col); T *head = (T*)((int)arr + point_size * row); while (row--) arr[row] = (T*)((int)head + row * col * size); } return (T**)arr; } //释放二维数组 void free_Aarray2D(void **arr) { if (arr != NULL) free...
h> char **create_2d_char_array(int rows, int cols) { char **array = (char **)malloc(rows * sizeof(char *)); for (int i = 0; i < rows; i++) { array[i] = (char *)malloc(cols * sizeof(char)); memset(array[i], '0', cols); } return array; } void free_2d_char...
= NULL); } } // 服务端初始化:将端口设置为listen状态 int init_sever(int port){ // 创建服务端 int sockfd = socket(AF_INET, SOCK_STREAM, 0); // io // fcntl(sockfd, F_SETFL, O_NONBLOCK); // 非阻塞 // 设置网络地址和端口 struct sockaddr_in servaddr; memset(&servaddr, 0, size...
= NULL)14. {15. memset(arr, 0, point_size * row + size * row * col);16. T ...
i < m; i++) {array[i][j] = 0; } } 我尝试使用memset：memset(array, 0, sizeof(array[...
memset(p->Elements, 0, rows * columns * sizeof(int)); return p; } void IntArray2D_Free(struct IntArray2D* array) { free(array); } int IntArray2D_GetElement(struct IntArray2D* array, int row, int column) { /* Check array is not NULL; check row and column ...
memset(mask_row - mask->step, 1, width ); for( i = 1; i <= size.height; i++, mask_row += mask->step ) { if( tempMask ) memset( mask_row, 0, width ); mask_row[0] = mask_row[size.width+1] = (uchar)1; }
C program not linking to CRT calls memset() for unknown reasons C/C++ : converting std::string to const char* I get the error : left of '.c_str' must have class/struct/union type is 'char *' C# to C++ dll - how to pass strings as In/Out parameters to unmanaged functions that ...