fgetc 与 getchar 类似,但它用于从文件中读取一个字符。 int fgetc(FILE *stream); stream:要从中读取字符的文件流指针。 返回值:返回读取的字符(作为 int 类型)。如果遇到文件结束或错误,返回 EOF。 #include <stdio.h> int main() { FILE *file = fopen("input.txt", "r"); if (file == NULL)...
/*print longest input line*/intmain(void) {intlen;/*current line length*/intmax;/*maximum length seen so far*/charline[MAXLINE];/*current input line*/charlongest[MAXLINE];/*longest line saved here*/max=0;while((len = getline(line, MAXLINE)) >0) { printf("%d: %s", len, line);i...
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getline有2个版本:getline和getdelim。 getline原型 #include<stdio.h>ssize_tgetline(char**lineptr,size_t*n, FILE *stream);ssize_tgetdelim(char**lineptr,size_t*n,intdelim, FILE *stream); getline从stream(流)读取一整行字符串,存放到缓冲区buffer,并将buffer地址存储到指针lineptr。其中,buffer以空...
query_cls_embedding = self.get_pooled_embedding( query_input_ids, query_token_type_ids, query_position_ids, query_attention_mask) #第 2次编码:文本经过无监督语义索引模型编码后的语义向量,标题文本的向量表示 # [n, output_emb_size] title_cls_embedding = self.get_pooled_embedding( title_input...
int_ur;/* saved _r when _r is counting ungetc data *//* tricks to meet minimum requirements even when malloc() fails */unsignedchar_ubuf[3];/* guarantee an ungetc() buffer */unsignedchar_nbuf[1];/* guarantee a getc() buffer *//* separate buffer for fgetln() when line crosses ...
std是一个标准库,i:input,o:output,标准输入输出库,.h头文件。 #include< >与#include" " 的区别:< > 表示导入系统文件," "表示导入自定义文件。 (2) main函数 main函数是C语言的程序的入口,程序的主函数,程序有且只有一个主函数,( )里面表示函数的参数,函数的参数可以有多个,中间用逗号分隔。
contains the new executable, using the command prompt or File Explorer. 2. Type Odbcsql.exe at the command line, or double-click the icon for Odbcsql.exe to launch it from File Explorer. 3. Select the ODBC DSN to connect to. Follow the message of the sample application to input SQL ...
fgetws() — Get a wide-character string fileno() — Get the file descriptor from an open stream finite() — Determine the infinity classification of a floating-point number __flbf() — Determine if a stream is line buffered fldata() — Retrieve file information flocate() — Locat...