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Character codes: Difference between revisions
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→[[Character code#ALGOL 68]]
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Given a character value in your language, print its code (could be ASCII code, Unicode code, or whatever your language uses). For example, the character 'a' (lowercase letter A) has a code of 97 in ASCII (as well as Unicode, as ASCII forms the beginning of Unicode). Conversely, given a code, print out the corresponding character.
=={{header|ALGOL 68}}==
In ALGOL 68 the FORMAT $g$ is type aware, hence the type conversion operators ABS & REPR are used to set the type.
main:(
printf(($gl$, ABS "a")); # for ASCII this prints "+97" EBCDIC prints "+129" #
printf(($gl$, REPR 97)) # for ASCII this prints "a"; EBCDIC prints "/" #
)
=={{header|C}}==
<code>char</code> is already an integer type in C, and it gets automatically promoted to <code>int</code>. So you can use a character where you would otherwise use an integer. Conversely, you can use an integer where you would normally use a character, except you may need to cast it, as <code>char</code> is smaller.
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