在stdio.h中scanf声明如下: /* Read formatted input from stdin.This function is a possible cancellation point and therefore notmarked with __THROW. */externintscanf(constchar*__restrict__format,...)__wur; 使用Mac或Linux的同学,在终端上输入man scanf回车即可学习scanf函数的用法。我们可以看到注释上...
int sscanf(const char *s, const char *format, ...) sscanf(s, ...) is equivalent to scanf(...) except that the input characters are taken from the string s.
/* *FormattedInput */ _CRTIMPint__cdeclfscanf(FILE*,constchar*,...); _CRTIMPint__cdeclscanf(constchar*,...); _CRTIMPint__cdeclsscanf(constchar*,constchar*,...); /* *CharacterInputandOutputFunctions */ _CRTIMPint__cdeclfgetc(FILE...
3.3 Formatted input/output: 序号标签函数原语描述补充描述1fprintfint fprintf ( FILE * stream, const char * format, … );格式化输出到指定流成功,返回写入的字符总数,否则返回负数2printfint printf ( const char * format, … );格式化输出到标准输出流stdout成功,返回写入的字符总数,否则返回负数3sprintfint...
3.2 Input and output65 3.2.1 Single Character Input/output66 3.2.2 Formatted Input and Output68 3.2 The scanf Function83 3.3 The sequence structure92 3.4 The selection structure95 3.4.1 Relational Expressions97 3.4.2 Logical Expressions99 3.4.3 The if ...
4.4 Formatted Input 85 4.5 Formatted Output 94 Case Studies 103 Review Questions 106 Programming Exercises 108 5. Decision Making and Branching 110 5.1 Introduction 110 5.2 Decision Making with if Statement 110 5.3 Simple if Statement 111 5.4 The if...else Statement 115 5.5 Nesting of...
4ManaginginputandOutputOperations84 4.1Introduction84 4.2ReadingaCharacter85 4.3WritingaCharacter88 4.4Formattedinput89 4.5FormattedOutput98 ReviewQuestions110 ProgrammingExercises112 5DecisionMakingandBranching114 5.1Introduction114 5.2DecisionMakingwithiFStatement114 5.3SimpleiFStatement115 5.4TheIF......
3．2 Formatting Input and Output 3．2．1 Formatted Output Function 3．2．2 Formatted Input Function 3．3 Character Input and Output 3．3．1 putchar（） Function 3．3．2 getchar（） Function 3．4 Summary 3．5 Exercises Module 4 Decision Making 4．1 Logical Operators and Logical Expressions...
formatted input function? // The inserters for manipulators are *not* formatted output functions. __pf(*this); return *this; } __ostream_type& operator<<(ios_base& (*__pf) (ios_base&)) { // _GLIBCXX_RESOLVE_LIB_DEFECTS // DR 60. What is a formatted input function? // The ...