C: input and output

 

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69

/** # encoding: utf-8 # 版权所有 2023 涂聚文有限公司 # 许可信息查看： # 描述：输入输入出格式 # Author    : geovindu,Geovin Du 涂聚文. # IDE       : CLion 2023.1.1 c17  windows 10 # Datetime  : 2023/11/12 6:43 # User      : geovindu # Product   : CLion # Project   : ctest # File      : DuInput.c # explain   : 学习 */ // // Created by geovindu on 2023/11/12. //   #ifndef CTEST_DUINPUT_H #define CTEST_DUINPUT_H     #include <stdio.h> #include <ctype.h> #include <stdbool.h> #include <string.h>     /**  * @brief Name buffer size  */ #define LENGTH 50   /**  * @brief Function prototypes  */ void eatspaces(void);   /**  * @brief  * @param n  * @return  */ bool getinteger(int *n);   /**  * @brief  * @param name  * @param length  * @return  */ char *getname(char *name, size_t length);   /**  * @brief  * @return  */ bool isnewline(void);     /**  * @brief 显示  *  *  * */ void displayInput();     #endif //CTEST_DUINPUT_H

　　

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130

/** # encoding: utf-8 # 版权所有 2023 涂聚文有限公司 # 许可信息查看： # 描述： 输入输入出格式 # Author    : geovindu,Geovin Du 涂聚文. # IDE       : CLion 2023.1.1 c17  windows 10 # Datetime  : 2023/11/12 6:43 # User      : geovindu # Product   : CLion # Project   : ctest # File      : DuInput.c # explain   : 学习 */   // // Created by geovindu on 2023/11/12. //   #include "../includes/DuInput.h"     /**  * @brief Function to ignore spaces from standard input 空格字符串  *  */ void eatspaces(void) {     char ch = 0;     while(isspace(ch = (char)getchar()));     ungetc(ch, stdin); }   /**  * @brief Function to read an integer from standard input  * @param n  * @return  */ bool getinteger(int *n) {     eatspaces();     int value = 0;     int sign = 1;     char ch = 0;       // Check first character     if((ch = (char)getchar()) == '-')            // should be minus         sign = -1;     else if(isdigit(ch))                 // ...or a digit         value = ch - '0';     else  if(ch != '+')                  // ...or plus     {         ungetc(ch, stdin);         return false;                      // Not an integer     }       // Find more digits     while(isdigit(ch = (char)getchar()))         value = 10*value + (ch - '0');         ungetc(ch,stdin);                    // Push back non-digit character     *n = value*sign;                     // Set the sign     return true; }   /**  * @brief Function to read an alphabetic name from input  * @param name  * @param length  * @return  */ char* getname(char *name, size_t length) {       eatspaces();                         // Remove leading spaces     size_t count = 0;     char ch = 0;     while(isalpha(ch = (char)getchar()))       // As long as there are letters...     {         name[count++] = ch;                // ...store them in name.         if(count == length - 1)            // Check for name full             break;     }       name[count] = '\0';                  // Append string terminator     if(count < length - 1)               // If we didn't end for name full...         ungetc(ch, stdin);                 // ...return non-letter to stream     return name; }   /**  * @brief Function to check for newline  *  *  * */ bool isnewline(void) {     char ch = 0;     if((ch = (char)getchar()) == '\n')         return true;       ungetc(ch, stdin);                   // Not newline so put it back     return false; }   /**  * @brief  *  *  * */ void displayInput() {     int number;     char name[LENGTH] = {'\0'};     printf("Enter a sequence of integers and alphabetic names in a single line:\n");     while(!isnewline())     {         if(getinteger(&number))             printf("Integer value:%8d\n", number);         else if(strnlen_s(getname(name, LENGTH), LENGTH) > 0)             printf("Name: %s\n", name);         else         {             printf("Invalid input.\n");             return 1;         }     }   }

　　

调用：

?

1	displayInput();

　　

输出：