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18 lines
563 B
Markdown
18 lines
563 B
Markdown
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---
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title: "mg_get_http_var()"
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decl_name: "mg_get_http_var"
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symbol_kind: "func"
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signature: |
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int mg_get_http_var(const struct mg_str *buf, const char *name, char *dst,
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size_t dst_len);
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---
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Fetches a HTTP form variable.
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Fetches a variable `name` from a `buf` into a buffer specified by `dst`,
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`dst_len`. The destination is always zero-terminated. Returns the length of
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a fetched variable. If not found, 0 is returned. `buf` must be valid
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url-encoded buffer. If destination is too small or an error occured,
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negative number is returned.
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