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- XXXXttttFFFFiiiinnnnddddFFFFiiiilllleeee((((3333XXXXtttt)))) XXXX VVVVeeeerrrrssssiiiioooonnnn 11111111 ((((RRRReeeelllleeeeaaaasssseeee 6666....6666)))) XXXXttttFFFFiiiinnnnddddFFFFiiiilllleeee((((3333XXXXtttt))))
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- XtFindFile - search for a file using substitutions in the
- path list
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- SSSSYYYYNNNNTTTTAAAAXXXX
- String XtFindFile(_p_a_t_h, _s_u_b_s_t_i_t_u_t_i_o_n_s,
- _n_u_m__s_u_b_s_t_i_t_u_t_i_o_n_s,_p_r_e_d_i_c_a_t_e)
- String _p_a_t_h;
- Substitution _s_u_b_s_t_i_t_u_t_i_o_n_s;
- Cardinal _n_u_m__s_u_b_s_t_i_t_u_t_i_o_n_s;
- XtFilePredicate _p_r_e_d_i_c_a_t_e;
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- AAAARRRRGGGGUUUUMMMMEEEENNNNTTTTSSSS
- _p_a_t_h Specifies a path of file names, including
- substitution characters.
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- _s_u_b_s_t_i_t_u_t_i_o_n_s
- Specifies a list of substitutions to make into a
- path.
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- _n_u_m__s_u_b_s_t_i_t_u_t_i_o_n_s
- Specifies the number of substitutions passed in.
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- _p_r_e_d_i_c_a_t_e Specifies a procedure to call to judge a potential
- file name, or NULL.
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- DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
- The _p_a_t_h parameter specifies a string that consists of a
- series of potential file names delimited by colons. Within
- each name, the percent character specifies a string
- substitution selected by the following character. The
- character sequence ``%:'' specifies an embedded colon that
- is not a delimiter; the sequence is replaced by a single
- colon. The character sequence ``%%'' specifies a percent
- character that does not introduce a substitution; the
- sequence is replaced by a single percent character. If a
- percent character is followed by any other character, looks
- through the specified _s_u_b_s_t_i_t_u_t_i_o_n_s for that character in
- the _m_a_t_c_h field and if found replaces the percent and match
- characters with the string in the corresponding _s_u_b_s_t_i_t_u_t_i_o_n
- field. A _s_u_b_s_t_i_t_u_t_i_o_n field entry of NULL is equivalent to
- a pointer to an empty string. If the operating system does
- not interpret multiple embedded name separators in the path
- (i.e., ``/'' in POSIX) the same way as a single separator,
- will collapse multiple separators into a single one after
- performing all string substitutions. Except for collapsing
- embedded separators, the contents of the string
- substitutions are not interpreted by and may therefore
- contain any operating-system-dependent characters, including
- additional name separators. Each resulting string is passed
- to the predicate procedure until a string is found for which
- the procedure returns this string is the return value for If
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- Page 1 (printed 10/3/02)
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- XXXXttttFFFFiiiinnnnddddFFFFiiiilllleeee((((3333XXXXtttt)))) XXXX VVVVeeeerrrrssssiiiioooonnnn 11111111 ((((RRRReeeelllleeeeaaaasssseeee 6666....6666)))) XXXXttttFFFFiiiinnnnddddFFFFiiiilllleeee((((3333XXXXtttt))))
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- no string yields a return from the predicate, returns NULL.
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- If the _p_r_e_d_i_c_a_t_e parameter is NULL, an internal procedure
- that checks if the file exists, is readable, and is not a
- directory will be used.
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- It is the responsibility of the caller to free the returned
- string using when it is no longer needed.
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- SSSSEEEEEEEE AAAALLLLSSSSOOOO
- _X _T_o_o_l_k_i_t _I_n_t_r_i_n_s_i_c_s - _C _L_a_n_g_u_a_g_e _I_n_t_e_r_f_a_c_e
- _X_l_i_b - _C _L_a_n_g_u_a_g_e _X _I_n_t_e_r_f_a_c_e
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- Page 2 (printed 10/3/02)
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