num:一次读取的大小 stream:流 例: 代码语言:javascript 复制 char buf[10] = { 0 }; FILE *pf = fopen("file.txt", "r"); if (pf == NULL) { perror("open file for reading"); exit(0); } fgets(buf, 9, stdin); printf("%s", buf); fclose(pf); 写入字符串 int fputs( const cha...
char* fgets(char* str, int num, FILE* stream);头文件为<stdio.h> 功能:从文件中读取至多num-1个字符并将其作为字符串(自动在字符末尾补加**'\0'**)储存到str中。读取结束条件包括已经成功读取num-1个字符、遇到换行符'\n'、遇到文件结束符EOF。str指向字符数组的指针,用来存放读取的字符串。num是读取...
下面是代码: 1#include <iostream>2#include <algorithm>3#include <vector>4#include <set>5#definemax_n 2000056usingnamespacestd;7intn;8vector<int>a;9multiset<int>b;1011intmain()12{13cin >>n;14intnums;15for(inti =0;i<n;i++)16{17cin >>nums;18a.push_back(nums);19}20for(inti =0...
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void far setactivepage(int pagenum); void far setvisualpage(int pagenum); 这两个函数只用于EGA,VGA 以及HERCULES图形适配器。setctivepage() 函数是为图形输出选择激活页。所谓激活页是指后续图形的输出被写到函数选定的pagenum页面, 该页面并不一定可见。setvisualpage()函数才使pagenum 所指定的页面变成...
executes queries. /* DisplayResults Display the results of the query if any /* AllocateBindings Bind column data /* DisplayTitles Print column titles /* SetConsole Set console display mode /* HandleError Show ODBC error messages /***/#include<windows.h>#include<sql.h>#include<sqlext.h>#in...
}voidshow()// 绘制函数{inti,j;cleardevice();// 以背景颜色清空屏幕// 遍历关卡二维数组数据for(i=0;i<B_NUM;i++){for(j=0;j<B_NUM;j++){if(level[i][j]==empty)// empty 元素是空白区域{setfillcolor(RGB(150,150,150));// 绘制灰色地面setlinecolor(RGB(150,150,150));fillrectangle(...
if(PyDtype->type_num!=NPY_OBJECT) { PyErr_SetString(PyExc_TypeError,"Input array must have object data type"); returnNULL; } //将输入数组转换为兼容的NumPy数组 PyArray=PyArray_FromArray(PyArray,PyArray_DescrFromType(NPY_OBJECT),NPY_ARRAY_DEFAULT); ...