#define是C语言中提供的宏定义命令, the main purpose is to provide programmers with certain convenience in programming, and to a certain extent, improve the efficiency of the program, but students often do not understand the nature of the command in learning,
#define是C语言中提供的宏定义命令, the main purpose is to provide programmers with a certain degree of convenience in programming, and to a certain extent to improve the efficiency of the program, but students often do not understand the nature of the command,
Define is a pre-processing command in C language. It is used for macro definition, which can improve the readability of the source code and provide convenience for programming.Pre-processing commands start with "#", for example, include commands #
Define is a pre-processing command in C language. It is used for macro definition, which can improve the readability of the source code and provide convenience for programming.
Pre-processing commands start with "#", for example, include commands #
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I,
Why can a string be assigned to a character pointer variable in C?
Char * P, A = '5 ';
P = & A; // It is obviously correct,
P = "ABCD"; // but why can I assign a
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