Article Introduction：The function of putchar() is to output a character to the terminal; the syntax structure of putchar is "int putchar(int char)", which means writing the character specified by the parameter char to the standard output stdout; putchar is a C library function, included in C In the standard library <stdio.h>.

2021-01-07 comment 0  20030

Article Introduction：The function of putchar() is to output a character to the terminal. putchar() is an output function with the syntax "putchar(char)". It can write the character specified by the parameter char (an unsigned character) to the standard output stdout. The output of the putchar() function can be a character, a decimal integer between 0 and 127 (including 0 and 127), or a character variable defined with char.

2023-01-11 comment 0  18259

Article Introduction：The difference between putchar and printf: 1. The parameter type of putchar is int, and the parameter type of printf is string; 2. putchar can only output one character, and printf can output multiple characters; 3. putchar cannot format output, but printf can format it. output; 4. putchar has no return value, printf returns the number of characters successfully output; 5. putchar outputs to the console, printf is not limited to output to the console; 6. performance, etc.

2023-08-22 comment 0  5676

Article Introduction：The putchar function can output a character to the terminal. The putchar function is a C library function that writes the characters specified by the char parameter to the standard output. The putchar function declaration: [int putchar(int char)], where the parameter char is the character to be written.

2020-07-03 comment 0  19315

Article Introduction：The putchar function represents a string output function in C language. The function of the putchar function is to output a single character on the terminal (display). Function syntax format: [int putchar(int ch)], where ch represents the character content to be output.

2020-07-08 comment 0  19086

Article Introduction：The function of putchar is to write the specified character to the standard output "stdout". Its syntax is "int putchar(int char)". The parameter char represents the character to be written. The character is passed with its corresponding int value. .

2020-07-09 comment 0  15253

Article Introduction：putchar('\n') means outputting a newline character, that is, realizing the function of carriage return and line feed. putchar is a character output function, which can only output one character at a time; \n is an escape character, representing a newline character.

2020-02-11 comment 0  10029

Article Introduction：The putchar() function is used to write a single character to the standard output device. The usage steps are as follows: include the <stdio.h> header file. Define an integer variable representing the character to be written. Use the putchar() function to print characters to the console.

2024-05-02 comment 0  462