#define DESCR_FIELD "Content-Description"
#define DISPO_FIELD "Content-Disposition"
#define MD5_FIELD "Content-MD5"
#define DESCR_FIELD "Content-Description"
#define DISPO_FIELD "Content-Disposition"
#define MD5_FIELD "Content-MD5"
&& (c) != ')' && (c) != '<' && (c) != '>' \
&& (c) != '@' && (c) != ',' && (c) != ';' \
&& (c) != ':' && (c) != '\\' && (c) != '"' \
&& (c) != ')' && (c) != '<' && (c) != '>' \
&& (c) != '@' && (c) != ',' && (c) != ';' \
&& (c) != ':' && (c) != '\\' && (c) != '"' \
&& (c) != ')' && (c) != '<' && (c) != '>' \
&& (c) != '@' && (c) != ',' && (c) != ';' \
&& (c) != ':' && (c) != '\\' && (c) != '"' \
&& (c) != ')' && (c) != '<' && (c) != '>' \
&& (c) != '@' && (c) != ',' && (c) != ';' \
&& (c) != ':' && (c) != '\\' && (c) != '"' \