@param fn File name of the FASTA/FASTQ file @param format FASTA or FASTQ file format @return Pointer to a faidx_t struct on success, NULL on failure.
This function is equivalent to fai_load3_format(fn, NULL, NULL, FAI_CREATE|FAI_CACHE, format);
See Implementation
@param fn File name of the FASTA/FASTQ file @param format FASTA or FASTQ file format @return Pointer to a faidx_t struct on success, NULL on failure.
This function is equivalent to fai_load3_format(fn, NULL, NULL, FAI_CREATE|FAI_CACHE, format);