【高分求助】linux系统下本地语言编码转utf8。

[afgkidy]

某个文件内容可能是中文、英文、或其他语言，采用不同编码方式。
请问用什么办法可以把他们都转换成utf8格式？
file -i filename 可以查到字符集，能否根据这个信息转换？

注：用户态程序C语言

[heartlesstoanyone]

ICONV(1) ICONV(1) NAME iconv - Convert encoding of given files from one encoding to another SYNOPSIS iconv -f encoding -t encoding inputfile DESCRIPTION The iconv program converts the encoding of characters in inputfile from one coded character set to another. The result is written to standard output unless otherwise specified by the --output option. --from-code, -f encoding Convert characters from encoding --to-code, -t encoding Convert characters to encoding --list List known coded character sets --output, -o file Specify output file (instead of stdout) --verbose Print progress information. EXAMPLES Following examples convert from code set ISO88592 "input.txt" to UTF8 code set or ASCII and stores the result as "output.txt". iconv -f ISO88592 -t UTF8 < input.txt > output.txt iconv -f ISO88592 -t ASCII//TRANSLIT < input.txt > output.txt AUTHOR iconv is written by Ulrich Drepper as part of the GNU C Library. This man page is written by Joel Klecker <[e-mail]>, for the Debian GNU/Linux system. 3rd Berkeley Distribution March 2001 ICONV(1)

[heartlesstoanyone]

#include <iconv.h> size_t iconv(iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);

[SweetTimeRose]

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