pdfGetKeywords
Get the document keywords.
char *pdfGetKeywords(PDFHandle pdf, int *length)
This function retrieves the value of the Keywords field. The returned
value is a null-terminated string, and its length is also stored in
*length
.
Returns NULL if the requested entry doesn't exist in the info dictionary.
The caller is responsible for freeing the string after using it,
by calling pdfFreeMemory
.
This function is equivalent to:
pdfGetInfoString(pdf, "Keywords", length);
C:
char *s;
int length;
s = pdfGetKeywords(pdf, &length);
if (s) {
printf("keywords = %s\n", s);
} else {
printf("no keywords\n");
}
pdfFreeMemory(s);